Technical training. Product information. E84 Complete Vehicle BMW Service Edited for the U.S. market by: BMW Group University Technical Training ST1205 8/15/2012 V_/ General information Symbols used In this document, the following symbol/representation is used to provide a better understanding or to highlight especially important information: A Contains important safety instructions and information that are required for proper system function and must absolutely be followed. Current applicability and country-specific models Vehicles manufactured by the BMW Group satisfy the highest safety and quality requirements. Chang¬ ing requirements with respect to the protection of the environment, customer needs, design or engi¬ neering result in a continuous enhancement of systems or components. As a result, the contents of this document may differ from what is in the vehicles available for training. This document in principle relates to left-hand drive vehicles in the European version. In vehicles equipped with right-hand drive, some operating controls and components are located at positions oth¬ er than those depicted in the illustrations in this document. There may also be additional differences associated with market- or country-specific equipment packages. Additional information sources You can find additional information about the individual topics: • In the Owner's Manual • In the Integrated Service Technical Application. Contact: conceptinfo@bmw.de ©2009 BMW AG, Munich Reproduction, even in part, only with the written consent of BMW AG, Munich The information contained in this document is part of the technical training provided by the BMW Group and is intended for its trainers and participants in training sessions. Please refer to the current information systems of the BMW Group for changes/additions to the technical data. Date of information: August 2009 VH-23/lnternational Technical Training E84 Complete Vehicle Table of contents 1. Introduction.1 1.1. General information.1 1.1.1. Model versions.1 1.1.2. Silhouette comparison.2 2. Body.3 2.1. Dimensions.3 2.1.1. Technical data.5 2.2. Bodyshell.5 2.2.1. Crash behavior.7 2.3. Exterior.7 2.3.1. Front/rear system.7 2.3.2. Engine compartment.9 2.3.3. Doors.10 2.3.4. Exterior mirrors.12 2.3.5. Tailgate.12 2.3.6. Exterior lights.13 2.4. Interior.16 2.4.1. Front seats.16 2.4.2. Rear seats.16 2.4.3. Panorama glass roof.17 2.4.4. Luggage compartment.18 2.5. Safety systems.19 2.5.1. Active safety.19 2.5.2. Passive safety.20 3. Powertrain.21 3.1. Engine versions.21 3.1.1. Engine N20.21 3.1.2. Engine N55.21 3.2. Transfer case.22 3.3. Automatic transmission.22 3.3.1. GA6HP19TU.22 3.3.2. GA8HP45Z.22 3.3.3. Automatic engine start-stop function.22 3.3.4. ECO PRO mode.23 3.4. Final drive.25 3.4.1. Rear axle final drive.25 3.4.2. Front axle differential.25 3.5. Output shafts, front axle.26 E84 Complete Vehicle Table of contents 4. Chassis.29 4.1. Chassis.29 4.1.1. Chassis components.29 4.1.2. Front axle.30 4.1.3. Rear axle.34 4.1.4. Steering systems.36 4.1.5. Brakes.36 4.1.6. Suspension/damping.37 4.1.7. Wheels.37 4.2. Driving stability control systems.37 4.2.1. Dynamic Stability Control DSC.37 4.2.2. xDrive with transfer case.39 4.2.3. Performance Control.46 4.2.4. Dynamic Cruise Control (DCC).49 5. General Vehicle Electronics.50 5.1. Electrical system.50 5.1.1. Bus systems.51 5.1.2. Vehicle circuit structure.53 5.1.3. Energy management.53 5.1.4. Installation locations of the system components.53 5.1.5. System components.56 5.1.6. Display and operating concept.57 5.1.7. Driver assist systems.60 5.2. Entertainment and communication.62 5.2.1. Infotainment.62 5.2.2. Entertainment.63 6. Service Instructions.68 6.1. Condition Based Service (CBS).68 6.2. Diagnosis and program access.68 E84 Complete Vehicle 1. Introduction 1.1. General information The new BMW XI launched in August 2012 was the first Sports Activity Vehicle SAV in the premium compact class. The BMW XI follows the extremely successful tradition of the models BMW X5, BMW X3, and BMW X6. Their features and characteristics are available for the first time in a smaller vehicle class. The typical features of a BMW X-model combined with gracefully elongated proportions represents the distinct character within the family of BMW X-models. The striking front view underlines the robust and powerful appearance of the BMW XI by emphasizing the width. BMW XI 1.1.1. Model versions The new BMW XI was offered in the following models for the US market introduction: • BMW XI xDrive35i with N55B3000 (300 HP 300 Ib-ft) • BMW XI xDrive28i with N20B2000 (241 HP and 258 Ib-ft) • BMW XI sDrive28i (rear wheel drive) with N20B2000 (241 HP and 258 Ib-ft) 1 E84 Complete Vehicle 1. Introduction 1.1.2. Silhouette comparison In comparison to the two current models BMW X3 and BMW X5, an outer proportion geared towards the X was created for the BMW XI. ]X1 I-1 X3 I-1 X5 Silhouette comparison to BMW X3 and BMW X5 The increased head clearance as well as the additional space provided in the BMW XI due to the raised seat position between sedans and X-vehicles (semi command feel) are clearly visible on the in¬ side as well. 2 SKI E84 Complete Vehicle 2. Body 2.1. Dimensions Dimensions Dimensions 3 E84 Complete Vehicle 2. Body Dimensions BMW X1/E84 BMW X3/E83 BMW 3 Series Sport Wagon E91 Length 4484mm 4565 mm 4520 mm Width 1798 mm 1853 mm 1817 mm Height 1545 mm 1674 mm 1417 mm Wheelbase 2760 mm 2793 mm 2760 mm Front overhang 817 mm 816 mm 755 mm Rear overhang 907 mm 954 mm 1005 mm Front track width 1500 mm 1524 mm 1500 mm Rear track width 1529 mm 1549 mm 1528 mm The raised seat position of the BMW XI compared to E9x vehicles is +88 mm. 4 E84 Complete Vehicle 2. Body 2.1.1. Technical data The most important BMW XI data is compiled in the following tables. Engine data Unit sDrive28i xDrive28i xDrive35i Displacement cm 3 1997 1997 2979 Number of cylinders in line 4 in line 4 in line 6 Power kW/HP 241 241 300 At RPM RPM 5000-6500 5000-6500 5800 Torque Nm/lb-ft 350/258 350/258 300 At RPM RPM 1250-4800 1250-4800 1300-5000 Compression ratio e 10:1 10:1 10.2:1 Stroke mm 90.1 90.1 89.6 Bore mm 84 84 84 Acceleration 0 to 60 mph s 6.2 6.3 5.3 Weights Unit xDrive28i xDrive35i Vehicle curb weight without driver kg/lbs 1600/3527 1690/3726 1765/3891 Weight distribution (empty car) % 50.6 49.4 47.9 Permissible gross ve¬ hicle weight kg/lbs 2040/4497 2135/4707 2205/4861 Towing capacity kg/lbs TBD* TBD* TBD* TBD* - To Be Determined (not available at this time) For additional technical data on the BMW XI, refer to the Owner's Manual for the BMW XI vehicle. 2.2. Bodyshell The bodyshell of the BMW XI is based on the BMW 3 Series Sport Wagon xDrive chassis. Like the body of the BMW 3 Series Sport Wagon, the body of the new BMW XI is made from different kinds of steel and is fully galvanized. 5 E84 Complete Vehicle 2. Body The following materials are used: Bodyshell of BMW XI Index Explanation Steels 1 DC04, DX54D, 2 DX56D, HC 180BD, HC 180YD, HX180BD 3 HC 220BD, HC 220YD, HX 220BD, HX 220YD 4 HC 260BD, HC 260LAD, HC 260YD 5 HC 300BD, HC 300LAD, HC 300XD, HX 300BD, HC 340LAD, HC 340X 6 HC 380LAD, HC 400T(D) 7 HC 420 420LA(D) 8 HD 680C(D) 9 HC 1000W(D) 6 E84 Complete Vehicle 2. Body Index Explanation Plastic 10 Plastic Miscellaneous 11 Other metallic materials 2.2.1. Crash behavior The BMW XI features a stable passenger compartment that provides the occupants with the highest possible level of safety in the event of a collision. This good crash behavior is achieved in particular by using maximum strength steels in the pillar and node structures. In the event of head-on collisions, side member structures that fold in a specific manner ensure that the crash energy is dissipated as evenly as possible. In the event of a head-on collision with minimal overlap, specially designed cross member structures ensure that the acting forces are also transferred to the side of the vehicle opposite the impact. Part of designing these structural features was to optimally coordinate the restraint system with the vehicle. In addition to front airbags for the driver and front passenger, the BMW XI is equipped with a deformable steering column and belt tensioners with force limiters. There is only a very short crumple zone for side collisions. To achieve a low occupant load, partic¬ ular attention must be paid to the lowest possible penetration depth. A major contribution to this is made by the B-pillar designed from maximum strength sheet metal in combination with the doors that feature impact members which effectively reduce penetration of the doors into the interior. The side structure is achieved by optimally distributing the acting forces to the various load paths such as the A-pillar or the instrument panel cross member. The rear deformation area is formed by two support profiles running longitudinally, the luggage com¬ partment floor, the rear trim panel, the rear side panels integrated into the side frame and various rein¬ forcements. 2.3. Exterior 2.3.1. Front/rear system The front end meets the high requirements for pedestrian protection by providing corresponding de¬ formation spaces under the engine compartment lid as well as yielding hinge kinematics. The rear bumper comes standard with attachment points for two towing lugs or the fixture for a bicycle carrier available as an accessory. The difference between the front and rear bumpers as well as the sill trim in the basic version and the X-line package is the painted individual parts. The individual part in the rear bumper is larger than in the basic version, and two painted individual parts are added in the sill trim. The individual parts used in the bumpers of the basic version are not painted but are made from silver-color material. 7 E84 Complete Vehicle 2. Body Front bumper Index Explanation 1 Front end 2 Upper bumper trim 3 Lower bumper trim Rear bumper 8 E84 Complete Vehicle 2. Body Index Explanation 1 Upper bumper trim 2 Lower bumper trim 3 Bumper cover The additional third brake light is accommodated in the rear spoiler. The washer jet is not integrated in the wiper as in the BMW 1 Series, but in the brake light, so that water is sprayed on the window from top to bottom. This results in an optimized cleaning function. 3. Brake light in rear spoiler Index Explanation 1 Washer jet for rear window 2 Brake light The innovative design of the heated rear window and the integration of an FM and AM antenna func¬ tion make it possible to completely eliminate a rod antenna or roof fin in the base. For a detailed description of the rear window, refer to the Entertainment “Rod-free antenna system WING” Section. 2.3.2. Engine compartment BMW XI xDrive28i with the N20B2000 was chosen as an example for illustrating the engine compart¬ ment. 9 E84 Complete Vehicle 2. Body Engine compartment of BMW XI xDrive28i with N20B2000 Index Explanation 1 Cover for brake fluid reservoir 2 Expansion tank for engine coolant 3 Grounding point 4 Reservoir for washer fluid of the headlight and windshield washer system 5 Positive battery connection point 6 Electronics box 2.3.3. Doors The doors meet the more stringent side impact requirements in the USA. Additional side reinforce¬ ment, including in the front doors, prevents the doors from opening during impact. The rear doors are also equipped with an additional strut, which is already being used in other model series. A “crash pad” in the door trim panel in the form of integrated ribs reduces the occupant load in the chest area by moving the pelvis up early on. These measures are important for the 5* Euro NCAP rat¬ ing. 10 E84 Complete Vehicle 2. Body Door trim panel The door trim panel has the following features: • Storage offered in the door (cup holders) • An integrated crash pad and a flexible attachment system have been incorporated into the trim panel • The new design line in the interior is accented by the color and material separation between the top end moulding and the body of the door. • The two-tone scheme from the cockpit continues throughout the entire interior towards the rear. 11 E84 Complete Vehicle 2. Body 2.3.4. Exterior mirrors 2.3.5. Tailgate The tailgate is made of steel and designed as a single piece. The rear window is glued and cannot be opened separately. The tailgate can be opened by pressing the button located above the rear license plate. 12 E84 Complete Vehicle 2. Body BMW XI tailgate 2.3.6. Exterior lights Headlights The BMW XI offers the following headlight versions: • Halogen headlight are standard equipment on the sDrive28i and xDrive28i. • Bi-xenon headlights coupled with parking light rings are standard on xDrive35i and optional sDrive28i and xDrive28i. E84 Complete Vehicle 2. Body The fog lights are already integrated as standard in the bumper. BMW XI halogen headlight Index Explanation 1 High beam headlight 2 Low beam headlight 3 Turn indicator Note: For the US market the eyebrows on the standard halogen headlights are chrome-plated instead of having frosted glass. The design of the optional bi-xenon headlights has been modified. The side lights and the daytime driving lights are now supplied with power from LEDs. The LEDs can be operated in two power stages. If they are activated at full power, they are daytime driving lights. For side lights roughly 10 % of their power is dimmed. BMW XI bi-xenon headlight Index Explanation 1 Daytime driving lights/parking light rings 2 Low beam headlight/high beam headlight/cornering light 3 Turn indicator 14 E84 Complete Vehicle 2. Body Rear lights The rear lights in the basic version of BMW XI are equipped with bulbs. The tail light function is achieved using two extra wide LED optical fibers each, which accentuate the L-shape of the rear lights across both light chambers. BMW XI rear lights Index Explanation 1 Turn indicator (bulb) 2 Brake force display (bulb) 3 Tail light (LED tubes) 4 Reverse light (bulb) 15 E84 Complete Vehicle 2. Body The brake light function is realized with the use of 2 bulbs (which are located just behind the LED tubes) Two brake light bulbs located just behind the tail light LED tubes. The rear reflectors are integrated in the bumper as a separate unit. 2.4. Interior 2.4.1. Front seats The BMW XI is offered with basic seats and sports seats. Both versions are also available with electri¬ cally adjustable functions. The side airbag is integrated in the front seats. What is new is that the stan¬ dard seat height adjustment in the basic version also allows the front passenger to optimally adjust the seat position. Widening the head restraints underscores the X-character of the seats. 2.4.2. Rear seats The rear seat is designed for three people. The three-part, foldable rear seat backrest is separated at a ratio of 40:20:40. The right backrest part and the center backrest part can be folded down individually. The left backrest part is coupled with the center backrest part and cannot be folded separately. All backrest parts can be adjusted in eleven stages at angles between 1° and 31°. This makes it possi¬ ble to achieve a particularly comfortable seat position as well as provides a cargo position for the trans¬ port of larger objects. The center backrest can be folded down separately thus creating a large through-loading opening while at the same time permitting the outer seats to be used. 16 E84 Complete Vehicle 2. Body Rear seat bench Index Explanation 1 40% 2 20% 3 40% 2.4.3. Panorama glass roof In comparison to a conventional slide/tilt sunroof, the panorama glass roof with its enlarged glass sur¬ face makes a positive contribution to the vehicle's interior appearance and sense of space. A two-sec¬ tion electrically movable sliding trim enlarges the glass portion. The electrically movable sliding trim and the resulting elimination of the handle recess have an additional positive effect on the appearance of the interior. The electrically movable sliding trim now appears as a homogenous area in the interior design. 17 E84 Complete Vehicle 2. Body Panorama glass roof The panorama glass roof is a slide/tilt sunroof system running on the inside with a fixed rear glass roof. The front glass roof and the sliding trim can be moved electrically and are controlled via a switch in the roof function center. For further information on the panorama glass roof, refer to the Owner's Manual for the BMW XI vehi¬ cle, as well as the product information for the BMW 3 Series Sport Wagon. 2.4.4. Luggage compartment The luggage compartment volume is approx. 410 I in normal position (25°) and, depending on the po¬ sition of the rear seat system, up to 480 I in the cargo position (1 °). Position of the rear seat system 18 E84 Complete Vehicle 2. Body Index Explanation 1 Normal position (25°) 2 Cargo position 3 Luggage compartment floor position The area for accommodating numerous recreational and everyday objects is expanded through a sec¬ ond loading level below the luggage compartment floor. Additional information on the functional space concept is available in the Owner's Manual for the BMW XI vehicle. 2.5. Safety systems 2.5.1. Active safety The following systems contribute to the active vehicle safety of the BMW XI: • Dynamic cruise control • High beam assistant • Daytime driving lights • Cornering light • Brake force display A detailed description of the listed systems is available in the Electrical Systems section and in the Owner's Manual for the BMW XI. 19 E84 Complete Vehicle 2. Body 2.5.2. Passive safety The following airbags are used in the BMW XI: Illustration of the airbags in the BMW XI P Index Explanation 1 Driver and front passenger airbag 2 Pelvis/thorax airbag 3 Head airbag for front and rear occupants 20 E84 Complete Vehicle 3. Powertrain 3.1. Engine versions With the special engine versions that are also being offered for the BMW XI, the BMW Group wants to ensure and expand its leading position with respect to dynamics at reduced consumption and im¬ proved operating efficiency. For the market introduction, the following engine versions will be offered: Model Engine Transmission BMW XI sDrive28i AT N20B2000 GA8HP45Z BMW XI xDrive28i AT N20B2000 GA8HP45Z BMW XI xDrive35i AT N55B30M0 GA6HP19TU 3.1.1. Engine N20 The engine has the following features in the BMW XI: • N20 performance is comparable to the N52 six cylinder • Less weight N20 = 324 lbs, N52 = 354 lbs • Better fuel economy and lower emissions than N52 • TVDI (Turbo Valvetronic Direct Injection) • 3rd generation Valvetronic with new intermediate levers • Map controlled (pendulum-slide) oil pump • TwinScroll exhaust turbocharger • Positive crankshaft offset • High-pressure injection (HDE) with solenoid valve injectors (as N55) 3.1.2. Engine N55 The adaptations of the 6-cylinder gasoline engine to the installation space of the BMW XI are relative¬ ly minor. Here is a list of the major features: • One exhaust manifold with catalytic converter near the engine, for cylinder groups 1 -3 and 4-6 with stainless steel exhaust system • TwinScroll exhaust turbocharger TVDI (Turbo Valvetronic Direct Injection) Map controlled (Duroplast-slide valve) oil pump High-pressure injection (HDE) with solenoid valve injectors 21 E84 Complete Vehicle 3. Powertrain 3.2. Transfer case The transfer case is described in Chassis Section. 3.3. Automatic transmission 3.3.1. GA6HP19TU The 6HP19TU automatic transmission is installed in the xDrive35i in combination with the N55 engine The 6-speed automatic transmission 6HP19, clearly improved gearshift dynamics are achieved with this technical revision. In addition, a more stable regulation of the converter lockup clutch leads to im¬ proved shifting comfort, in particular at low temperatures. This contributes to consumption reduction. Note: Because the 6HP19TU automatic transmission is not designed to perform the MSA function the Auto Stop Start feature is not available on the xDrive35i. 3.3.2. GA8HP45Z The GA8HP45Z is installed in both the sDrive28i and the xDrive28i in combination with the N20 en¬ gine. The transmission family GA8HP refers to the GA8HP45Z eight forward gears and one reverse gear. This transmission is built by ZF and its rated to 450 Nm of maximum torque The GA8HP45Z is a new development which gradually superseded the established GA6HP19ZTU 6- speed automatic transmissions. Highlights when compared to the GA6HP transmission: • Significantly enhanced spontaneity of the gears shifts • Greater driving and shifting comfort as a result of smaller gear jumps • Higher control precision of the converter lock-up clutch at low engine loads • High power transmission of the converter lock-up clutch • Reduced fuel consumption (-5 to -6%) • Equipped with a hydraulic pressure accumulator to perform the MSA function For more information regarding the GA8HP45Z automatic transmission refer to the ST1106 F25 Complete Vehicle training material available on ICP and TIS. And for additional infor¬ mation regarding the MSA function refer to the ST1113 F30 Complete Vehicle “Powertrain” training material available on TIS and ICP. 3.3.3. Automatic engine start-stop function With the market introduction of the E84 the automatic engine start-stop function MSA is installed as standard, with the exception of the BMW XI xDrive35i, as MSA is only available in all models with a 8- speed automatic gearbox (GA8HP). 22 E84 Complete Vehicle 3. Powertrain Automatic transmission (GA8HP) The automatic engine start-stop function switches off the engine when the vehicle is brought to a standstill, the selector lever remains in the D position, and the driver presses the brake pedal to hold the vehicle at a standstill. This means that the car does not use any fuel when it is at a standstill. When the driver releases the brake pedal again, the engine is automatically restarted and the driver can con¬ tinue driving. Alternatively, the driver can move the selector lever from the "D" to the "P" position and release the brake pedal. The engine remains switched off. The engine is automatically started as soon as the driv¬ er moves the selector lever to the D position. The operating logic of the automatic engine start-stop function for vehicles with automatic transmis¬ sion is known from the F30. 3.3.4. ECO PRO mode ECO PRO mode is standard equipment in all BMW XI models E84 driver assistance system operating facility Index Explanation 1 ECO PRO button The ECO PRO mode supports the driver in adopting a consumption-optimized driving style and re¬ duces fuel consumption through intelligent control of energy and A/C management. 23 E84 Complete Vehicle 3. Powertrain Essentially the following measures help to reduce fuel consumption: • The driver is supported in adopting an optimized-consumption driving style by means of an alteration of the accelerator pedal characteristic and the shift program in automatic transmis¬ sions. • The heating and air-conditioning system (IHKA) is placed in ECO PRO mode. Here the A/ C system operates at reduced air drying and cooling. If the required temperature can be achieved without cold production, the A/C compressor is switched off. During heating mode the engine operating mode with increased heat dissipation is to the greatest possible extent dispensed with and the electric auxiliary heater is operated at lower power. • The driver is prompted by various displays to adopt an optimized-consumption driving style and is supported in optimizing their driving style. Depending on the driving style consumption savings of up to 15 % or an average of 8 % can be achieved by these measures. Upon activation of ECO PRO mode the automatic engine start-stop function MSA only used in the sDrive28i and xDrive28i is activated unless it has been manually deactivated beforehand. 1 Efficient Dynamics 10:58 E a ..id 96.5 MHz \ Mr ECO PRO \ °' A ^ /■“N ta ‘ 1 ' IV EC0 pro speed exceeded. I Tip: Reduce speed \ £5 ECO PRO mode 10:58 S ..ill 96.5 MHz \ Tip at: 60 mph V ECO PRO limit g/ ECO PRO climate control #1. Hr | J ECO PRO potential E84 displays of ECO PRO mode in the CID 24 E84 Complete Vehicle 3. Powertrain +78 of OlllOpm »ft +0.0 mis 000037 014.3 E84 displays of ECO PRO mode in instrument duster without CID +78 of 01:11pm ECO PRO DS >>Sfc +0.0 mb 000037 014.3 Index Explanation A ECO PRO Active B ECO PRO Not Active in stand by mode (example: transmission sport/manual mode selected, heavy acceleration, etc.) 3.4. Final drive The main goal during the development of the final drive for the BMW 1 Series and BMW 3 Series and now also for the BMW XI was a considerable improvement in efficiency that will lead to a corre¬ sponding consumption reduction in the vehicle. This lead to a new final drive generation called “L axle drive” (L = friction-optimized). 3.4.1. Rear axle final drive For the first time, double helical ball bearings are used in the rear axle final drives, thus significantly re¬ ducing the operating temperature, which has a positive effect on function and service life. At the same time, oil flow losses are reduced considerably. The gearing was also adapted to the modified displace¬ ment behavior as well as optimized with regard to efficiency. In addition, the torque capacity of the rear axle final drives HAG168L and HAG188L was increased by 10%. For acoustic reasons, the housing of the rear axle final drive is still designed as a spheroidal cast part. With regard to the improved consumption concept of the driving performance dynamics, a specifically developed rear axle final drive hypoid gear set is available for each engine/gearbox combination. During the design of the hypoid gear sets, particular attention was paid to achieving the vehicle acoustics ob¬ jectives. 3.4.2. Front axle differential Reducing the power loss was also an important goal during the development of the front axle differ¬ entials, coupled with the specification to reduce fuel consumption and weight differences between rear wheel and four-wheel drive to a minimum. In order to be able to use common parts, identical angu¬ lar-contact ball bearings are used as in the rear axle final drive with the same positive result. 25 E84 Complete Vehicle 3. Powertrain 3.5. Output shafts, front axle The front output shafts transfer the torque to the front wheels. The movement of the assemblies (en¬ gine/ transmission, bearings, rear axle) along with the spring travel of the wheels and angle changes in the drivetrain must be balanced out during this process. The front output shafts in an xDrive vehi¬ cle must take up large deflection angles caused by the steering angle at the wheel hubs. The output shafts must also be capable of transferring the maximum torque applied to them. Up till now, output shaft journals with longitudinal splines have been used for the axle to wheel hub connection. This connection is made by machining spur gears on both the axle and the wheel hub mating surfaces. When these components are then torqued to specifications the result is comparable to the conventional spline method. This system (first introduced in the US with the F25 X3) simplifies the installation of the drivetrain at the assembly plant and reduces manufacturing costs. 26 E84 Complete Vehicle 3. Powertrain E84 front output shaft to wheel hub connection Index Explanation A Conventional output shaft B Output shaft with spur gear connection 1 Front output shaft, with spur gear (wheel side) 2 Castle nut 27 E84 Complete Vehicle 3. Powertrain Index Explanation 3 Front output shaft, with spur gear (welshed) 4 Retaining screw 5 Output shaft with spur gear connection 6 Mating spur gear connection at wheel hub Cutaway view of the new front axle spur gear connection to the wheel hubs 28 E84 Complete Vehicle 4. Chassis Since there are two generally different powertrain versions for the BMW XI (sDrive and xDrive), the chassis layout also differs. 4.1. Chassis 4.1.1. Chassis components BMW XI chassis components Index Explanation 1 Front axle 2 Wheels/tires 3 Rear axle 4 Brakes 5 Steering 6 Suspension/damping 29 E84 Complete Vehicle 4. Chassis 4.1.2. Front axle A double-pivot spring strut front axle in the BMW XI allows for the best possible coordination of kine¬ matics with regard to particularly good vehicle agility and good driving dynamics. BMW XI sDrive double-pivot spring strut front axle with trailing links. Index Explanation 1 Engine mount 2 Anti-roll bar link 3 Spring strut 4 Swivel bearing (Aluminum) 5 Wishbone 6 Trailing links (Aluminum) 7 Anti-roll bar 8 Front axle support (Aluminum) 30 E84 Complete Vehicle 4. Chassis In the sDrive28i with the standard rear wheel drive, a double-pivot spring strut front axle that is made of aluminium and fitted with trailing links. This design of the front axle is identical to that used in the BMW 1 Series and 3 Series. The aluminium material of trailing arms and swivel bearings (forged) re¬ duce the unsprung masses. The aluminium front axle support (forged from various individual parts) al¬ so reduces the front axle load and thus permits a more favorable weight distribution while at the same time providing optimum stiffness of the front end. The height adjustment of the BMW XI with respect to the BMW 3 Series Sport Wagon is implemented by a modification to the swivel bearing. The most important data of the BMW XI front axle is compiled in the following table. Standard wheel R17 7.5Jx17 EH2+ Standard tire 225/50 R17 94H (RSC) Rim offset 34 mm (1.33 in) Toe-in 14' Track width 1500 mm (59.1 in) Camber -18‘ ± 25‘ Camber difference angle Max. 30' Overall toe-in -14‘±10‘ Toe difference angle 1°37‘±30‘ Caster angle 6° 26‘ 31 E84 Complete Vehicle 4. Chassis BMW XI xDrive double-pivot spring strut front axle with leading links. Index Explanation 1 Engine mount 2 Anti-roll bar link 3 Spring strut 4 Swivel bearing 5 Leading links (Steel) 6 Wishbone 7 Anti-roll bar 8 Front axle support 32 E84 Complete Vehicle 4. Chassis In the xDrive28i and xDrive35i with four-wheel drive, a double-pivot spring strut front axle that is made of steel and fitted with leading links. Minor changes to realize the height adjustment were made in the area of the link bearing supports. Standard wheel R17 7.5Jx17 EH2+ Standard tire 225/50 R17 94H RSC Rim offset 34 mm (1.33 in) Toe-in 14' Track width 1501 mm (59.1 in) Camber -27‘ ± 25‘ Camber difference angle Max. 30' Overall toe-in -14‘±10‘ Toe difference angle 1°38‘±30‘ Caster angle 6° 35' 33 E84 Complete Vehicle 4. Chassis 4.1.3. Rear axle Rear axle BMW XI, xDrive/sDrive 34 TF09-1098 E84 Complete Vehicle 4. Chassis Index Explanation 1 Compression strut 2 Toe link 3 Camber link 4 Rear axle support 5 Anti-roll bar 6 Wishbone 7 Control arm 8 Trailing arm The most important data of the BMW XI rear axle is compiled in the following table. Standard wheel R17 7.5Jx17 EH2+ Standard tire 225/50 R17 94H RSC Rim offset 34 mm (1.33 in) Wheelbase 2760 mm (108.7 in) Track width 1529 mm (60.2 in) Camber -1° 30‘ ± 5‘ Camber difference angle 0° ± 30‘ Overall toe-in 18‘ ± 4‘ Driving axle angle 0°± 12‘ A five-link rear axle HA5 as known from the E8x and E9x is installed. This design features a particularly precise wheel control and offers excellent dynamic properties with regard to the following: • Directional stability • Load reversal behavior • Self-steering response • Lane change stability • Transition behavior from cornering to straight-running stability (steering) The HA5 in the BMW XI offers very good tire comfort due to a double-elastic mounts and a large sup¬ port base of the rear axle. Furthermore, the design principle of the HA5 does not require a lot of instal¬ lation space and has a low weight. The five-link rear axle is mainly derived from a twin control arm rear axle with the track rod located in the rear, whereby the upper and lower A-arms were replaced by two individual arms each. The advan¬ tage of this is that, regardless of the installation space situation, it is possible to freely specify the ef- 35 E84 Complete Vehicle 4. Chassis fective virtual kinematics point. The result of this design coordination is elasto-kinematics properties that permit exact wheel control across significant spring travel, which is required for the desired driving properties. In addition, due to small lever arms, the rear axle barely reacts to interferences. The large support base for toe and camber on the wheel carrier side and the extremely torsionally rigid trailing arms, as well as the stiff rear axle support and the connection to the body by means of com¬ pression struts ensure highly precise wheel control. This is the prerequisite for agile overall coordina¬ tion of the BMW XI. The use of high-torque engines as well as the use of run flat tires were taken into consideration by the large rear axle support base; this concept is very important both for driving prop¬ erties as well as for good acoustic insulation. Many of the rear axle components of the BMW 3 Series Sport Wagon are being adopted for the BMW XI. Only the hub carrier and the upper wishbone were redesigned for the height adjustment necessary in the BMW XI. For the rear axle support, only the rear crossbridge with the connection for camber link and toe link had to be redesigned; the remaining components are identical to the rear axle support in the BMW 3 Series Sport Wagon. The HA5 provides the best prerequisites for the particularly space-saving rear concept (location of rear seat position, fuel tank, and luggage compartment). Thus, a comparably large through-loading width as well as ample leg room can be achieved in the rear. 4.1.4. Steering systems Depending on the model and equipment, the following different steering systems are used in the BMW XI: • Electric power steering with the parallel arrangement of the electric motor (sDrive28i only) without Servotronic • Hydraulic steering with an 18.5 steering ratio • Servotronic (SA216), available only for hydraulic steering The EPS in the BMW XI makes a major contribution to the reduction of C0 2 emissions due to the de¬ mand-oriented control of the assisted torque. Electric power steering EPS is only offered in the sDrive28i rear wheel drive version. The xDrive models for all other markets are offered with the hydraulic steering system adopted from the E8x and E9x. Servotronic (SA216) is standard on the xDrive35i and available as an option on the xDrive28i. 4.1.5. Brakes The BMW XI is equipped with floating calliper brakes. The top model xDrive28i is the only model that has a floating calliper brake in the frame construction at the front axle. All brake discs are ventilated. 36 E84 Complete Vehicle 4. Chassis The following table provides an overview of the versions that are being used: Model Front brake piston 0 in mm Rear brake pis¬ ton 0 in mm Front brake disc 0 in mm x thick¬ ness in mm Rear brake disc 0 in mm x thick¬ ness in mm BMW XI sDrive28i 57 44 312x24 300 x 20 BMW XI xDrive28i 57 44 330 x 24 300 x 20 BMW XI xDrive35i 57 44 348x30 336 x 22 4.1.6. Suspension/damping The BMW XI is only offered with conventional spring struts at the front and rear axle. 4.1.7. Wheels The sDrive28i and xDrive28i are equipped with the ZRF Run-flat tires package as standard. The ZRF Run-flat tires package consists of tires with emergency running properties, 17 inch standard wheels and the Extended Hump 2+ EH2+ rims, as well as the Run Flat Indicator. The xDrive35i is standard equipped with 18 inch but 19 inch wheels are available as optional equip¬ ment. This ZRF Run-flat tires package consists of the following: • RSC tires with emergency running properties on an EH2+ rim • Tire pressure monitor • Elimination of spare wheel • Elimination of jack 4.2. Driving stability control systems 4.2.1. Dynamic Stability Control DSC The familiar DSC Bosch 8+ is used in the BMW XI. It has to be observed here in particular that the DSC control unit in a BMW XI with rear wheel drive is not identical to a DSC control unit from the BMW XI with xDrive. The coordination of the DSC/DTC mode varies in the two different engine ver¬ sions. The DSC sensor cluster is located below the left seat and consists of a longitudinal, transverse, and yaw rate sensor. 37 E84 Complete Vehicle 4. Chassis Function Can be ac- DSC ON DTC DSC OFF tivated/de- activated Symbols: • • = System active • X = System with raised control thresholds • O = Can be activated or deactivated. • Note: The table on the following page describes the acronyms. The purpose of the table is to illustrate the functions of the driving stability control systems. The func¬ tional capability with regard to DSC/DTC for the BMW XI xDrive was adopted from the BMW 3 Series xDrive and for the BMW XI sDrive from the BMW Z4 sDrive and expanded for both with the tilt stabi¬ lization logic system from the BMW X5 due to the higher position of the center of gravity. For the 6-cylinder models, the additional functions such as drive-off assistant, fading compensation, brake standby, and drying by applying brake are already available in the standard equipment. As with F25 the BMW XI xDrive models are also offered with the (optional) 2VG Performance Control function (dynamic brake intervention), refer to Section 4.2.3 for more information. The DSC 8+ with its pulse-width-modulated activation for the analogue separator and intake valves allows for an analogue valve characteristic, which permits sensitive pressure control. As a result, higher control comfort in all DSC functions as well as in the optional equipment Dynamic Cruise Control (DCC) is achieved. 38 E84 Complete Vehicle 4. Chassis Function Description ABS Anti-Lock Braking System EBV Electronic Brake Force Distribution CBC Corner Brake Control MSR Engine Drag Torque Reduction ASC Automatic Stability Control ADB-X Automatic Differential Lock/Brake X (special function for all-wheel drive vehicles) DSC Dynamic Stability Control HDC Hill Descent Control Brake dry¬ ing When the windshield wiper is operating in continuous wipe mode, the wheel brakes are lightly applied against the brake disc cyclically every 90 seconds in order to wipe off the water film. Drive-off assistant This function provides assistance when driving off on uphill gradi¬ ents by temporarily maintaining brake pressure in the wheel brakes. Brake standby The brake pads are applied against the brake disc when the accelerator pedal is released quickly thus reducing the emergency braking stopping distance (by approx. 30 cm/100 km/h). Fading support If the braking effect diminishes, the driver is assisted by the fading compensation with additional pressure build-up of the DSC module. DBC Dynamic Brake Control (see E60) DBS Dynamic Brake Support (see E60) MBS Maximum Brake Support (see E60) 4.2.2. xDrive with transfer case System design The linked systems xDrive and DSC mainly consist of the components already known from the DSC: • Controlled multi-disc clutch in the transfer case • DSC8+ module • Longitudinal dynamics management • DSC sensor • Wheel speed sensors • Brake pressure sensor • Steering angle sensor • Brake fluid level switch • Brake light switch 39 E84 Complete Vehicle 4. Chassis DTC button Motor position sensor for transfer case (incremental sensor) Transfer case control motor (actuator) Input/output xDrive/DSC Input/output xDrive/DSC 40 TF09-1797 E84 Complete Vehicle 4. Chassis Index Explanation 1 Transfer case control unit (VTG) 2 Transfer case clutch actuator 3 Instrument cluster 4 DSC sensor (rotational speed, lateral, and longitudinal acceleration sensor) 5 Steering angle sensor 6 Dynamic Stability Control (DSC) hydraulic unit 7 Dynamic Stability Control (DSC) control unit 8 RPA button (Not for US) 9 HDC button 10 DTC button 11 Brake fluid level switch 12 Wheel speed sensor 13 Electronic Transmission Control (EGS) 14 Digital Motor Electronics (DME) 41 E84 Complete Vehicle 4. Chassis Mechanical design of the transfer case (ATC 350) Index Explanation 1 Connection to the front axle 2 Connection to the gearbox (clutch package) 3 Connection to the rear axle 4 Transfer case control unit 5 Control motor for actuating the multi-disc clutch New features in the xDrive A combination of actuator and xDrive control unit is directly installed on the transfer case of the BMW XI. The control unit is now referred to as "transfer case". 42 E84 Complete Vehicle 4. Chassis In comparison to the previous one (ATC 300), the new transfer case (ATC 350) features a spur gear unit which makes better use of the installation space. While previous transfer boxes used to have a "coding and service resistor", it has been eliminated in the new transfer boxes. The compensation of the production tolerances in the transfer case which was previously achieved by the coding resistor is now accomplished via an internal classification that can also be found on the type plate. BMW 2710 MPT M 137744 10 AT Type plate Index Explanation 1 BMW part number 2 Revision index 3 Classification 4 Magna Powertrain part number 5 Production date (day/month/year) 6 Transfer case type 7 Serial number The separate oil pump in the transfer case has also been eliminated, which leads to an improvement in efficiency. Adequate lubrication and cooling of the transfer case components is achieved through an oil supply function of the power transmission system (spur gear unit). The transformation of the radial movement into an axial movement in order to operate the multi-disc clutch has changed slightly. 43 E84 Complete Vehicle 4. Chassis Activation of the multi-disc clutch Index Explanation A Radial movement B Axial movement 1 Balls (3x) 2 Ball ramp 3 Worm wheel with ball ramp 4 Worm gear 44 E84 Complete Vehicle 4. Chassis Oil supply Oil supply Index Explanation 1 Connecting pipe of front axle gearbox input shaft and rear axle gearbox input shaft 2 Connection of rear axle gearbox input shaft 3 Inner oil duct 4 Outer oil duct Function The actuator with the integrated control unit of the transfer case activates the multi-disc clutch in the transfer case. In the normal function, the target torque request by the VTG is received by the DSC via the interface. The DSC has the VTG software and converts the target torque request (0-1400 Nm) via a characteristic into target angle information on the control motor drive. 45 E84 Complete Vehicle 4. Chassis Drive torque Index Explanation A Engine/transmission drive torque B Portion of rear axle drive torque C Portion of front axle drive torque 4.2.3. Performance Control The customer can order the "2VG performance control" optional equipment for the BMW XI as part of the ZMP M Sport Package (xDrive vehicles only). Already known from F25 X3, this DSC function for the xDrive in the BMW XI is a dynamic intervention function that can be neither switched on or off. The principle for enhancing the agility of the xDrive vehicle is similar to the Dynamic Performance Con¬ trol function in the BMW X6. Variable torque distribution on the rear axle is achieved here by the dy¬ namic performance control. During performance control, the inner cornering rear wheel is braked dur¬ ing sporty driving and the generated braking torque is at the same time compensated through an in¬ tervention in the engine load control system. This generates a driving torque that reduces the steering angle and the tendency of an xDrive vehicle to understeer. 46 E84 Complete Vehicle 4. Chassis In order to avoid increased brake wear, the function is switched back in stages between speeds of 60 Km/h (37 mph) and 120 km/h (75 mph) and at speeds of 120 km/h (75 mph) and higher this agility function is no longer used. Understeering In an understeering driving situation, xDrive shifts more drive torque to the rear axle as the understeer¬ ing tendency increases. This allows the front axle to build up more traction which reduces understeer¬ ing. At the same time the Performance Control (SA 2VG) ensures (through braking intervention at the inner rear cornering wheel and by increasing the drive torque of the engine) that the vehicle adopts a neutral drivability without slowing it down. E84 xDrive and Performance Control intervention during understeering Index Explanation red arrow Performance Control intervention green arrow xDrive intervention 1 On the approach to the bend, xDrive adjusts the distribution of drive torque so the emphasis is slightly towards the rear 2 and 3 During cornering, xDrive shifts more drive torque to the rear axle; Performance Control counteracts understeering 4 As the understeering tendency reduces, more drive torque is directed to the front axle and the intervention by Performance Control diminishes 5 xDrive reestablishes the standard distribution, intervention by Performance Control is no longer required 47 E84 Complete Vehicle 4. Chassis Oversteering In an oversteering driving situation, xDrive distributes the drive torque so that the load on the rear axle is reduced as much as possible. At the same time, the DSC ensures (through additional brake intervention at the outer rear wheel during cornering) that the vehicle is quickly stabilized and that neutral drivability is restored. O 6 E F E84 xDrive and Performance Control intervention in the event of oversteering Index Explanation red arrow Performance Control intervention green arrow xDrive intervention 1 On the approach to the bend, xDrive adjusts the distribution of drive torque so the emphasis is slightly towards the rear 2 If an oversteering tendency exists, xDrive shifts more drive torque to the front axle 3 As the oversteering tendency increases, Performance Control (SA 2VG) further stabilizes the vehicle through braking intervention at the outer rear wheel during cornering 4 As the oversteering tendency reduces, less drive torque is directed to the front axle and the intervention by Performance Control diminishes 5 xDrive reestablishes the standard distribution, intervention by Performance Control is no longer required 48 E84 Complete Vehicle 4. Chassis 4.2.4. Dynamic Cruise Control (DCC) The extension of the conventional speed control by a comfortable brake intervention known from the BMW 3 Series leads to an extended application range with the following new operation options: • With the help of an "electronically controlled brake actuation" ECBA interface to the DSC, the vehicle speed is reduced in a considerably more dynamic manner via a brake intervention • In the application range from 30 km/h (18 mph) to 250 km/h (155 mph), certain "hand throttle functions" are possible on the operating lever. 49 E84 Complete Vehicle 5. General Vehicle Electronics 5.1. Electrical system The electrical systems of the BMW XI correspond for the most part to the BN 2000 vehicle electri¬ cal system of the BMW 1 Series (E8x) and 3 Series (E9x) vehicles. The vehicle electrical system for ex¬ ample includes the junction box, the footwell module, and the roof function center as vehicle electrical system components with the already known functions. The following items are new features or modifications compared to the BMW 1 Series BMW 3 Series: • MOST - Car Information Computer (CIC), (refer to ST815 CIC training material for more information on ICP and TIS) • K-CAN - Top rear side view camera (TRSVC), refer to product information ST811 F01 Complete Vehi¬ cle for more information on ICP and TIS. • PT-CAN - Transfer case, refer to xDrive with Transfer case in the Powertrain section. 50 JBE E84 Complete Vehicle 5. General Vehicle Electronics 5.1.1. Bus systems Ml V) z _l (/) tr BMW XI bus systems 51 TG09-0131.Z E84 Complete Vehicle 5. General Vehicle Electronics Index Explanation ACSM Advanced Crash Safety Module CA Comfort Access CAS Car Access System CIC Car Information Computer CID Central Information Display CON Controller DME Digital Motor Electronics DSC Dynamic Stability Control DSC-SEN Dynamic Stability Control Sensor DVD DVD changer EGS Electronic transmission control EKPS Electronic fuel pump control EPS Electric Power Steering FLA High beam assistant FRM Footwell module FZD Roof function center GWS Gear selector switch IHKA Integrated automatic heating/air conditioning system JBE Junction Box Electronics KOMBI Instrument cluster PDC Park Distance Control RAD2 Radio BMW Professional SBFA Switch block, driver's side SHD Panorama glass roof SINE Siren with tilt alarm sensor SMFA Driver's seat module SMC Stepper Motor Controller SZL Steering column switch cluster TPMS Tire pressure monitoring system TRSVC Top rear side view camera TOP HiFi Top HiFi amplifier USIS Ultrasonic interior movement detector VTG Transfer case control unit 52 E84 Complete Vehicle 5. General Vehicle Electronics 5.1.2. Vehicle circuit structure The vehicle circuit structure for the BMW XI is mainly based on the proven wiring harness concept of the E8x and E9x. The noteworthy features of the vehicle circuit structure are listed below: • The multi-section customer-specific wiring harness, multi-section wiring harness for cockpit • The use of fiber-optic in the MOST bus • The alternator line is installed on the underbody With the customer-specific wiring harness, it is still possible (in some markets) to retrofit additional functions such as a telephone. By avoiding unnecessary interfaces and the implementation of a cus¬ tomer-specific wiring harness, an optimal product is created with regard to quality and weight. 5.1.3. Energy management The energy management of the BMW XI is divided into the following areas: • Power management (PM) • Terminal control • Special energy functions For a detailed description of energy management, refer to the product information for the E8x and E9x vehicles. 5.1.4. Installation locations of the system components The following graphics show the installation locations of the BMW XI system components. 53 E84 Complete Vehicle 5. General Vehicle Electronics ® ® ®®® @® ® Installation locations of the system components in the BMW XI Index Explanation 1 Digital Motor Electronics (DME) 2 Exterior mirror, right 3 Junction Box Electronics (JBE) 4 Car Information Computer (CIC) 5 Rain, light and precipitation solar sensor 6 High beam assistant (FLA) 7 Electronic fuel pump control 54 0012-6001 E84 Complete Vehicle 5. General Vehicle Electronics Index Explanation 8 Ultrasonic interior movement detector 9 Exterior mirror, left 10 Switch block, driver's side 11 Driver's seat module 12 Footwell module 13 Car Access System (CAS) 14 Dynamic Stability Control (DSC) 15 Transfer case control unit (VTG) 16 Electronic transmission control (EGS) 17 Stepper motor controller (SMC-L) 18 Electric Power Steering (EPS) 19 Stepper motor controller (SMC-R) Installation locations of the system components in the BMW XI 55 E84 Complete Vehicle 5. General Vehicle Electronics Index Explanation 20 Steering column switch cluster 21 Instrument cluster 22 Central Information Display (CID) 23 Roof function center 24 Integrated automatic heating/air conditioning system (IHKA) 25 Panorama glass roof control unit 26 Park Distance Control (PDC) 27 (Not for US) 28 All-round vision camera (TRSVC) 29 Tire pressure monitoring (US) 30 Combox 31 Universal charger and hands-free unit (Not for US) 32 DVD changer 33 Top HiFi amplifier (TOP HiFi) 34 Siren with tilt alarm sensor (SINE) 35 Crash safety module (ACSM) 36 Controller (CON) 37 DSC sensor 5.1.5. System components This section outlines some notes on the most important system components, which are known in part from BMW 1 Series and 3 Series (E8x/E9x) vehicles. For further detailed information on the general vehicle electrical system in the BMW XI, refer to the E8x and E9x training material available on ICP and TIS. Front/rear locking system The front/rear locking system of the BMW XI is identical to that of the BMW 3 Series (E9x). For a detailed description of the locking system, refer to the product information for the BMW 3 Series (E9x). Power distribution box As with the E8x and E9x Series vehicles, the BMW XI features two power distribution boxes. The front power distribution box is located on the junction box electronics to the right in the direction of travel, below the instrument panel. The rear power distribution box is located in the luggage compartment directly below the second stor¬ age shelf and is fixed in place on the vehicle battery with two clips. 56 E84 Complete Vehicle 5. General Vehicle Electronics Power distribution box in the luggage compartment of the BMW XI Index Explanation 1 Safety battery terminal (SBK) 2 Connector for high-current connections 3 Power distribution box 5.1.6. Display and operating concept The display and operating concept in the BMW XI corresponds for the most part to the operating con¬ cept of the BMW 1 Series. The principle of "fewer switches facilitates logical operation" is retained in the BMW XI. The E84 LCI is equipped as standard with a storage compartment in the center of the dashboard. For vehicles which have an optional navigation system, the Central Information Display (CID) is arranged with side chrome applications. The center console is flatter on the side facing the driver. Other new features in the area of the interior equipment are: • Electroplated trims for the gear selector switch and cup holder • Light switch with chrome wedge. For a detailed description of the individual functions, refer to the product information for the BMW 1 Series and 3 Series as well as the Owner's Manual for the BMW XI. 57 E84 Complete Vehicle 5. General Vehicle Electronics BMW XI display and operating concept Index Explanation 1 Light switch 2 Instrument cluster 3 Multifunction steering wheel 4 Central Information Display (CID) 5 Heating and air-conditioning system controls 6 Radio controls 7 Gear selector switch 8 Controller 9 Driver assistance systems controls Instrument cluster The instrument cluster in the BMW XI provides one analogue display each for 58 Speed RPM Fuel level E84 Complete Vehicle 5. General Vehicle Electronics Two large instrument dials show the speed and RPM. A small instrument dial in the engine speed dis¬ play indicates the current fill level of the fuel tank. The dials in the instrument cluster have different designs depending on the country, vehicle, and type of engine. All of the indicator lights are centrally located at the top between the two large instrument dials. The LC display is also located in the center, between the two large instrument dials. BMW XI instrument duster Central Information Display (CID) The Central Information Display (CID) is identical to the CID in the BMW 1 Series and 3 Series. As in all new BMW models, operation also takes place via the central operating element, the controller. For further information, refer to the Owner's Manual for the BMW XI vehicle. Heating and air conditioning unit The BMW XI comes standard with automatic 2-zone air conditioning system which is a further de¬ velopment of the heating and air conditioning unit installed in the BMW 1 Series and 3 Series. The air mass flow rate is increased due to fewer internal flow losses and the optimized fan wheel. 59 E84 Complete Vehicle 5. General Vehicle Electronics 5.1.7. Driver assist systems Rearview camera The rearview camera system is installed in the tailgate to the right next to the tailgate lock and is sealed with a rubber seal towards the tailgate. Index Explanation 1 Rearview camera The rearview camera is activated automatically together with the Park Distance Control (PDC) by en¬ gaging the reverse gear or manually by operating the button in the driver assist systems controls. In the Central Information Display (CID), the wide angle color image of the surroundings directly behind the vehicle is shown. The graphic images show the pre-calculated space needed for parking and ma¬ neuvering relative to the current steering wheel position and assist the driver during parking. The color obstacle marks in the camera image help the driver (in addition to the PDC warning sound) to pay attention to the obstacles during parking and maneuvering. For further information, refer to the rearview camera in the BMW X5 E70 training material available on TIS and ICP Daytime driving lights The BMW XI is equipped with the typical BMW daytime driving lights that are integrated in the corona rings. The BMW XI therefore meets the daytime driving lights requirements in all markets. The daytime driving lights function is activated as standard when the vehicle is delivered and is imple¬ mented with an H8 bulb. 60 E84 Complete Vehicle 5. General Vehicle Electronics Adaptive headlights The adaptive headlights adjust their dynamics to the particular driving situation depending on the speed. On country roads at speeds from 60 to 100 km/h (37 to 62 mph), the headlights provide op¬ timum curve area illumination and directly follow the driving dynamics of the vehicle. At interstate speeds, the control reduces the dynamic portions again, since continuous guidance and direction of movement are required. For further information, refer to the product information for the adaptive headlights in the current BMW 5 Series and in the BMW XI Owner's Manual. High beam assistant As with the E8x and E9x Series vehicles, the high beam assistant is activated via the stalk on the steer¬ ing column. For further information, refer to the product information for the high beam assistant in the BMW 5 Se¬ ries and in the BMW XI Owner's Manual. 61 E84 Complete Vehicle 5. General Vehicle Electronics Brake Force Display Brake Force Display Index Explanation A Brake lights (under normal braking conditions) B Brake force display (under heavy braking) The already illuminated brake lights are enhanced by the activation of an additional brake light (located on the tailgate “L” section) under heavy braking in the following conditions: • The speed at the beginning of the braking operation was above 50 km/h (31 mph) • The braking operation is supported by a continuous intervention of the brake system e. g. ABS control braking operation • The braking operation is supported by the brake assistance system. 5.2. Entertainment and communication 5.2.1. Infotainment Car Information Computer (CIC) The BMW XI is available with the Car Information Computer (CIC) as part of the ZTP Technology Package. The ZTP Technology Package: • Car Information Computer Professional. • Navigation system (609) • Voice-command (620) • BMW Assist with Bluetooth (639) • 6UH - Real Time Traffic Information • 7KB - Navigation, BMW Assist w/enhanced BT & USB 62 E84 Complete Vehicle 5. General Vehicle Electronics A Note: ZTP will delete 7H9 (Basic Bluetooth and USB ) from the order but will add 6UH and 7KB to the order. The operating concept of the Car Information Computer is identical to the CIC installed in the BMW 1 Series and 3 Series. 8 Controller A detailed description of the main menu and the selection of the individual functions are outlined in the BMW XI Owner's Manual. Furthermore, you can find a detailed description of the system in the F01 Audio System training mate¬ rial available on TIS and ICR 5.2.2. Entertainment Rod-free antenna system “WING” Due to the rear window layout “WING” patented by BMW, it is possible to omit the rod antenna. This layout was introduced for the first time in the BMW X3 (F25). The FM antennas are created from the semi-circular heating zone that follows the rear wiper. The medium wave antenna consists of the wing layout to the left in the direction of travel. Other services such as FBD are accommodated in the right wing. Due to the completely new arrangement into semi-circular heating conductors and the right and left “WINGS,” an adequately large area can be gained for the critical medium wave antenna. This layout can also ensure a good defrosting and view out the rear window even for small rear windows as in the BMW XI. At the same time, this arrangement produces a powerful medium wave antenna. The antenna amplifier is centrally located, whereby additional filters are installed for the integration of the medium wave antenna in the wing layout. 63 E84 Complete Vehicle 5. General Vehicle Electronics Heating field 10 Heating field connection FM antenna Antenna telephone, GPS FM2 antenna field Index Explanation Antenna window system “WING” DAB | AM |FM2 FM3 FM1 Heating field connection AM antenna field 5 Antenna Diversity Module AM/FM/FBD DAB-lll-Band antenna field (Not for US) FM1, FBD antenna field Speaker and amplifier The speakers and amplifiers in the BMW XI are identical to those in the BMW 1 Series. An electro-dy¬ namic planar speaker is used additionally as a central speaker in the instrument panel of the BMW XI, which is installed in the roofliner as in the BMW 3 Series Sport Wagon. The two bass speakers are positioned under the front seats, thus allowing an even bass sound in the entire vehicle. The required housing volume is achieved as in the BMW 1 Series by connecting the bass speakers to the side sills. 64 E84 Complete Vehicle 5. General Vehicle Electronics Audio systems The following three audio systems are offered: HiFi Sound System Eight speakers are used in the HiFi sound system. The two bass speakers that are considerably more powerful compared to a basic stereo system are the core element here. The goal of the HiFi sound system is to evenly distribute the sound to all seats. In the front doors, tweeters are added to the sys¬ tem. As a result, the tweeter range output is greatly improved. Due to the external HiFi amplifier, the bass speakers can be activated independently of the front mid-range speakers through two 40 W output stages. The activation and increased number of available filters allow significantly more linear equalizing than is possible with this system. ® ®0 BMW XI with HiFi sound system Index Explanation 1 Headunit - Radio 2, CIC Professional 2 Left/right front tweeter in the mirror triangle 3 Left/right front mid-range speakers in the door trim panel 4 Bass speaker underneath the left/right front seat 5 Left/right rear tweeters/mid-range speakers in the luggage compartment shoulder 6 Left rear HiFi amplifier in the luggage compartment HiFi Sound System Professional Logic 7 The Harman Kardon HiFi System Professional Logic 7 (SA 688) is further optimized compared to the standard system. The (11 speaker) HiFi system allows the output of surround information included in the stereo signal in 5.2 format while using surround algorithm Logic 7. With the planar speaker (cen- 65 E84 Complete Vehicle 5. General Vehicle Electronics ter speaker), the sound pattern can thus be centered in the middle of the instrument panel. The ex¬ perience is like sitting directly in front of an orchestra. The mid-range speakers and tweeters with alu¬ minium membranes that were further improved compared to the HiFi system provide a significantly more differentiated sound pattern. The influence of driving noise is compensated by speed-depen¬ dent equalizing in small stages in the low-frequency range. BMW XI with HiFi System Professional Logic 7 Index Explanation 1 Planar speaker centrally located in the instrument panel 2 Headunit - Radio 2, CIC Professional 3 Left/right front tweeter in the mirror triangle 4 Left/right front mid-range speakers in the door trim panel 5 Bass speaker underneath the left/right front seat 6 Left/right rear mid-range speakers in the luggage compartment shoulder 7 Left/right rear tweeters in the luggage compartment shoulder 8 Top left rear HiFi amplifier in the luggage compartment A Note : The Harman Kardon HiFi System Professional Logic 7 (SA 688) is available as an op- tion. External connections The USB connection for data output as well as the AUX socket are located in the center console, di¬ rectly next to the storage compartment. 66 E84 Complete Vehicle 5. General Vehicle Electronics USB connection, data output Index Explanation 1 AUX IN connection 2 USB connection The USB connection for data import is located on the left in the glove compartment, directly next to the glove compartment door lock. USB connection, data import DVD changer The DVD changer is integrated vertically into the left rear of the luggage compartment in the wheel arch recess. 67 E84 Complete Vehicle 6. Service Instructions 6.1. Condition Based Service (CBS) The BMW maintenance system Condition Based Service (CBS) also ensures traffic and operational safety of the vehicle in the BMW XI. A detailed description of the system and the operation with the controller is available in the documen¬ tation for the BMW 1 Series and BMW 3 Series as well as in the Owner's Manual for the BMW XI vehi¬ cle. 6.2. Diagnosis and program access The OBD II diagnostic socket in the BMW XI is located on the driver's side, directly below the vehicle's A-pillar. Diagnostic socket 68 Bayerische Motorenwerke Aktiengesellschaft Handlerqualifizierung und Training RontgenstraBe 7 85716 UnterschleiBheim, Germany