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F97/F98�Complete�Vehicle

5.�Chassis�and�Suspension

5.1.�Front�axle

The�front�suspension�is�based�on�the�twin-arm�spring-strut�front�suspension�used�on�the�G01/G02.

The�following�components�and�mounts�are�new�M-specific�or�adapted�versions:

•

Front�axle�support

•

Steering

•

Wishbone

•

Trailing�link�with�hydro�mount

•

Ball�joint�(F25)

•

Swivel�bearing

•

Wheel�hub

•

Spring�strut

•

Support�bearing

•

Anti-roll�bar

Содержание F97

Страница 1: ...Technical training Product information BMW Service F97 F98 Complete Vehicle...

Страница 2: ...echnical Training Centers or BMW Group Contract Training Facilities This training manual or any attached publication is not intended to be a complete and all inclusive source for repair and maintenanc...

Страница 3: ...ermal protection 15 3 3 Interior 16 3 3 1 Driving area and steering wheel 16 3 3 2 Seats 18 3 3 3 Doors and strips 19 4 Powertrain 20 4 1 Engine S58B30T0 20 4 2 Transmission 20 4 2 1 M automatic trans...

Страница 4: ...4 Driving dynamics systems 55 5 4 1 Vertical Dynamics Management 55 5 4 2 M Dynamic Stability Control M DSC 61 5 4 3 Integrated actuation longitudinal transverse dynamics 65 5 4 4 M dynamic mode and M...

Страница 5: ...tronic The new BMW X3 M and BMW X4 M will be launched onto the market in the second quarter of 2019 1 1 M history In 1972 the then BMW Motorsport started out with the legendary M1 For over 45 years to...

Страница 6: ...nd rear or between rear and front wheels Electronically regulated M rear axle differential lock Engine sound Distinctively sports character in the lower and upper rev and power bands a more emotive st...

Страница 7: ...rino leather and illuminated M logo in the head restraint Ergonomics interior equipment M instrument cluster M Drive menu optional M head up display with M theme on start up M seat M specific decorati...

Страница 8: ...ncluding M shift paddles and two steering wheel mounted driver configurable M mode buttons Chassis and suspension driving dynamics setup Adaptive M suspension selectable handling dynamics programs ran...

Страница 9: ...h Engine sound M Sport exhaust system with even more sports style sound both in the lower and upper rev and power bands more emotive starting sound and an active sound design system The engine sound c...

Страница 10: ...ne speed kW hp rpm 265 355 5500 6500 353 473 6250 375 503 6250 265 355 5500 6500 353 473 6250 375 503 6250 Torque at speed Nm lb ft rpm 500 369 1550 4500 600 442 rpm 2600 5600 2600 5950 500 369 1550 4...

Страница 11: ...l up to date figures were available at time of editorial deadline 2 1 1 BMW EfficientDynamics measures TwinPower Turbo technology Petrol direct fuel injection with Valvetronic Volume flow controlled o...

Страница 12: ...a of vehicle The following measures were implemented in the front area of the vehicle for the connection of the chassis and suspension components and to increase the vehicle rigidity Front end brace S...

Страница 13: ...Rear area of the vehicle The following measures for attaching the chassis and suspension components and increasing the vehicle rigidity have implemented in the rear end of the vehicle Compression str...

Страница 14: ...istance system are integrated in the front sides of the vehicle as on the G01 G02 standard production models The ornamental grills at the bottom are black An optional radar sensor for the driver assis...

Страница 15: ...s and the X3 M X4 M model inscriptions on the front left and right side panels In addition the air breathers in the left and right side panels are used as design features integrated in the typical M g...

Страница 16: ...the G01 G02 side sill with M Sport package Trim strips All the trim strips with the exception of the roof trim strips come in BMW Individual high gloss Shadow Line Roof trim strips The roof trim strip...

Страница 17: ...nted in body color and has also been carried over from the G01 M Sport package The lower diffuser has been adapted to suit the four M specific tailpipes and is painted in body color The ornamental gri...

Страница 18: ...Sport package The lower diffuser has been adapted to suit the four M specific tailpipes and is painted in body color The ornamental grill in the center of the bumper panel has a black grained finish F...

Страница 19: ...ift on the F97 F98 M specific air guides in front of the front wheels that differ geometrically from the G01 G02 have been developed in a wind tunnel The center underbody trim panel has been adapted s...

Страница 20: ...the left upshift on the right The steering wheel has an external diameter of 380 mm The steering wheel rim is reinforced and ergonomically optimized from a round to an oval cross section improving the...

Страница 21: ...s mounted on top of the multifunction pad because the multifunction button clusters for the driver assistance systems remain on the steering wheel as on the G01 G02 For more details please see the cha...

Страница 22: ...t width adjustment Impressed M logo in the backrest upper section Lumbar support Fully electric M sports seat The fully electric sports seats are available as optional equipment SA 712 on the X3 M and...

Страница 23: ...A 4HA 3 3 3 Doors and strips M decorative strips The following trims are offered in the F97 F98 Aluminum carbon effect interior trim finishers with pearl effect chrome accentuation trim Fineline cove...

Страница 24: ...parate Product Information ST1926 S58 Engine F97 F98 S58B30T0 engine 4 2 Transmission 4 2 1 M automatic transmission As already used on the F85 F86 and F90 the F97 F98 features an M automatic transmis...

Страница 25: ...en adapted to the S58B30T0 engine In the F97 F98 the Idle coasting function known from the BMW AG vehicles is not implemented However the M8HP76 supports as known from the BMW AG vehicles the Connecte...

Страница 26: ...greater oil flow rate translating into more efficient cooling of the M automatic transmission The thermostat of the transmission oil cooler starts opening at 76 C 169 F and is fully open at 96 C 205...

Страница 27: ...each engine start driving program 1 is active in Drive mode In automated mode all forward gears are shifted automatically Kickdown is triggered by depressing the accelerator pedal beyond the pressure...

Страница 28: ...i e 3 does not require the M DSC to be deactivated 4 2 4 Launch Control During the first 5000 km 3100 miles run in distance the Launch Control must not be used The Launch Control is released at the f...

Страница 29: ...mperature e g repeat Launch Control or race like start activation is blocked up until an acceptable temperature threshold is reached The start flag goes out with every deactivation and the automatic f...

Страница 30: ...ion including during work interruptions e g by means of an adequate clean and lint free cover Lifetime oil filling At present as is the case with the F85 F86 and F90 with automatic transmission a tran...

Страница 31: ...3 Front output shafts right 4 Body Domain Controller BDC 5 Advanced Crash Safety Module ACSM 6 Prop shaft 7 M rear axle differential lock 8 Rear output shafts right 9 Control unit regulated M rear axl...

Страница 32: ...n has the task of varying the torque distribution between the front and rear wheels across the full range from 0 100 to 100 0 as demanded by the driving situation Since a rigid connection of the rear...

Страница 33: ...ling the transfer box oil it is necessary to move the oil partition to the open position using the BMW ISTA diagnosis system Various test plans are available in the BMW diagnosis system ISTA for Servi...

Страница 34: ...fically for the F10 M5 and is also used on the F06 F12 F13 M6 F80 F82 F83 F87 F90 and now on the new F97 F98 The active M differential has been reworked for the F97 F98 which specifically involved ada...

Страница 35: ...overrun mode Traction handling and driving stability are optimized by adjusting a defined differential speed or differential torque at the rear axle The regulated M rear axle differential lock works w...

Страница 36: ...98 Complete Vehicle 4 Powertrain 32 F97 F98 sectional view of rear differential System components Wiring harness Regulated differential lock control unit M GHAS Electric motor and transmission gearing...

Страница 37: ...differential lock Exploded diagram Index Explanation 1 Electric motor 2 Transfer box 3 Ball ramp consisting of geared mobile adjusting disc and first half of ball ramp 4 Balls Spherical washer 5 Stati...

Страница 38: ...ring 11 Disc spring 12 Differential lid connected to differential housing cannot rotate 13 Pressure plate 14 Disc set 15 Counter pressure plate F97 F98 sectional view of parking lock differential Ind...

Страница 39: ...e index 6 to 18 belong to the differential and rotate proportional to the rear axle gear speeds The lock is effected between the right output 16 and the differential housing 18 and counteracts a diffe...

Страница 40: ...F97 F98 Complete Vehicle 4 Powertrain 36 System wiring diagram F97 F98 M GHAS system wiring diagram...

Страница 41: ...t axial torque distribution Stabilization status Brake value Tolerance adjustment of wheel adjustment of different wheel circumferences Driving speed ACSM FlexRay Lateral acceleration Yaw rate Road lo...

Страница 42: ...e oil temperature sensor is replaced erasing the fault memory is all that is required The rear differential fluid is currently replaced at 2000 km 1200 mile running in check and every 3rd engine oil c...

Страница 43: ...eshaft The front propeller shaft has been carried over from the G01 G02 4 5 2 Rear driveshaft This is a steel prop shaft carried over from the F90 and adapted to the F97 F98 The dimensioning and stren...

Страница 44: ...over from the G01 G02 with the VAG170AL 4 5 4 Rear output shafts The rear output shafts have been carried over from the F90 and adapted to the F97 F98 The dimensioning and strength of the shaft and t...

Страница 45: ...the G01 G02 though once again with many new M specific or adapted components Designation Unit F97 F98 Wheelbase Turning circle mm 2864 Front track width mm 1623 Rear track width mm 1602 Front axle Twi...

Страница 46: ...ed on the twin arm spring strut front suspension used on the G01 G02 The following components and mounts are new M specific or adapted versions Front axle support Steering Wishbone Trailing link with...

Страница 47: ...le 5 Chassis and Suspension 43 F97 F98 twin arm spring strut front suspension Index Explanation 1 M spring strut with support bearing 2 Front axle support 3 Anti roll bar link 4 M wheel hub 5 M swivel...

Страница 48: ...1 1 Steering Within the framework of the EfficientDynamics measures for the F97 F98 the steering used is a rack and pinion steering with electrical steering wheel support M Servotronic based on an EPS...

Страница 49: ...5 M Servotronic M EPS 6 Track rod right The M Servotronic M EPS is has been developed independently for the F97 F98 All components of the M Servotronic M EPS have been developed specifically for the...

Страница 50: ...02 constant gear geometry 2 Rack variable sport steering F97 F98 variable gear geometry A More indirect steering gear ratio variable sport steering B More direct steering gear ratio variable sport ste...

Страница 51: ...angle in the F97 F98 is not recorded by the Electronic Power Steering EPS and not via a separate sensor on the steering wheel and instead is computed based on the motor position angle of the EPS motor...

Страница 52: ...F97 F98 Complete Vehicle 5 Chassis and Suspension 48 5 1 4 System wiring diagram M Servotronic F97 F98 M Servotronic M EPS system wiring diagram...

Страница 53: ...Instrument cluster KOMBI 9 M Dynamic Stability Control M DSC 5 2 Rear axle The rear suspension is based on the HA5 rear suspension from the G01 G02 Many components and mounts are new or adapted versi...

Страница 54: ...support 2 Attachment point for rear axle final drive 3 M spring strut with M support bearing 4 Anti roll bar link 5 Camber link 6 M wheel hub 7 M wheel carrier 8 Wishbone 9 Camber control arm 10 Contr...

Страница 55: ...ystem Index Explanation 1 M Dynamic Stability Control M DSC 2 Brake fluid expansion tank 3 Brake servo left hand drive vehicle 4 Front M compound brake disc 5 Brake pedal 6 Rear single piston floating...

Страница 56: ...esponse characteristics in the wet Usage of intelligent lightweight construction Technology transfer from M sport Unique authentic M design Designation Unit G01 G02 M40i F97 F98 Front brake 4 piston f...

Страница 57: ...it is important to dry the brakes out by braking braking a few times from 50 km h 31 mph to 0 is sufficient Or that the brakes can have a tendency to squeak if they go through long periods when they...

Страница 58: ...F97 F98 F97 F98 Competition LM EH2 wheel rim standard wheel at front cast 8J x 20 Styling 787M 9 J x 20 Styling 764M 9 5J x 21 Styling 765M LM EH2 wheel rim standard wheel at rear cast 9 5J x 20 Styli...

Страница 59: ...5 4 1 Vertical Dynamics Management The EDC function integrated in the M vertical dynamic platform M VDP controls the adjustable dampers The drivability can be shifted toward the individual driving dy...

Страница 60: ...PS angle change rate ACSM and damper piston speed In addition the ride height between the wheel suspension and body is used as a control reference and load variable and is read off of the ride height...

Страница 61: ...adjustable damper front 2 Steering column switch cluster SZL 3 Body Domain Controller BDC 4 EDC button 5 M vertical dynamic platform M VDP 6 Electronic adjustable damper rear 7 Rear left vertical acc...

Страница 62: ...F97 F98 Complete Vehicle 5 Chassis and Suspension 58 System wiring diagram F97 F98 EDC system wiring diagram...

Страница 63: ...ng column switch cluster SZL System function The Electronic Damper Control EDC is a variable electronically controlled shock absorber adjustment system that controls the vertical dynamics The front ax...

Страница 64: ...nimizing wheel load fluctuations and reducing the stopping distance Adaptive suspension EDC button options The EDC button is connected with the Body Domain Controller BDC via the LIN bus The Body Doma...

Страница 65: ...on country roads or bumpy racetracks such as the N rburgring Nordschleife Sport on the F97 F98 now also means that M dynamic control comes into effect with the basic shock absorber stiffness being fur...

Страница 66: ...front right 10 Central Information Display CID 11 Head Unit HU M specific 12 Body Domain Controller BDC 13 M gear selector switch M GWS 14 Controller CON 15 Advanced Crash Safety Module ACSM 16 Prop s...

Страница 67: ...F97 F98 Complete Vehicle 5 Chassis and Suspension 63 System wiring diagram F97 F98 longitudinal dynamics system wiring diagram...

Страница 68: ...Domain Controller BDC 11 Power distribution box front 12 Power distribution box rear 13 Wheel speed sensor rear right 14 Regulated M rear axle differential lock M GHAS 15 K CAN4 terminating resistor...

Страница 69: ...llowing benefits when driving the F97 F98 Excellent traction especially on low coefficients of friction M specific agility and playfully intuitive control of the vehicle Superiority in every day use V...

Страница 70: ...d actuation system overview Index Explanation 1 M Dynamic Stability Control M DSC 2 Digital Motor Electronics DME 3 Front axle differential 4 M Servotronic M EPS 5 Head Up Display HUD M specific 6 Ins...

Страница 71: ...Electrical connection EDC valve rear 17 Vertical acceleration sensor rear 18 Ride height sensor rear 19 M vertical dynamic platform M VDP 20 Regulated M rear axle differential lock M GHAS 21 Output sh...

Страница 72: ...F97 F98 Complete Vehicle 5 Chassis and Suspension 68 System wiring diagram F97 F98 integrated actuation system wiring diagram simplified...

Страница 73: ...ght 15 Fuse 30B power distribution box front 16 Body Domain Controller BDC 17 Fuse 30F power distribution box front 18 Fuse 30B power distribution box front 19 M Vertical Dynamic Platform M VDP 20 Whe...

Страница 74: ...e MDM the control threshold of the brake interventions is expanded raised and the engine power reduction by ASC is applied significantly later This enables driver oriented dynamic and sporty driveabil...

Страница 75: ...F97 F98 Complete Vehicle 6 General Vehicle Electronics 71 6 1 Bus overview F97 F98 bus overview...

Страница 76: ...High beam assistant FLER Frontal Light Electronics Right FLEL Frontal Light Electronics Left FlexRay Fast preset and fault tolerant bus system for use in the automotive sector 10 MBit s FZD Roof func...

Страница 77: ...warning 2 TCB Telematic Communication Box TRSVC Top Rear Side View Camera Surround View WCA Wireless charging tray ZGM Central Gateway Module The following deviations exist in comparison with the stan...

Страница 78: ...le the driver can adapt the vehicle to his or her individual needs F97 F98 M drive dynamics switch Index Explanation 1 M DSC OFF 2 Engine dynamics control 3 Electronic Damper Control 4 M Servotronic 5...

Страница 79: ...two individually adjustable configurations Setup M1 and Setup M2 F97 F98 M configuration menu HU Index Explanation 1 Configure M1 2 Configure M2 3 M xDrive 4 Head Up Display M view The following sett...

Страница 80: ...pension 5 Steering The following settings can also be made Transmission shift program with Drivelogic Head Up Display F97 F98 M1 Configuration Index Explanation 6 Transmission 7 Head Up Display 8 Rese...

Страница 81: ...guration is set by default in the factory for the M1 button and a sporty configuration for the M2 button This setting can be adapted in the M configuration menu to the customer s needs and also reset...

Страница 82: ...configurable M1 M2 setup Engine dynamics control including Active Sound Design ASD and exhaust flaps Sport Precise and direct responsiveness with maximum dynamic response Sport Dynamic sports style r...

Страница 83: ...M configuration menu If the driver is not aware that holding down an M button overwrites the current configuration setting this may lead to an unjustified customer complaint Live adjustment During the...

Страница 84: ...d drive In the instrument cluster the current configuration of the engine dynamics damper control and Servotronic systems is shown in the upper area between the speed indicator and the engine speed di...

Страница 85: ...ystem If the shiftlight function is activated in the HUD it is automatically deactivated in the instrument cluster F97 F98 head up display with Shiftlight function The M specific display for correspon...

Страница 86: ...ront seat backrests M leather steering wheel with 2 M buttons M side gills M driver s footrest BMW X3 M and BMW X4 M aerodynamics package Front and rear bumpers front side panels with gills exterior m...

Страница 87: ...al BMW Assist call BMW Teleservices ConnectedDrive services Advanced Real Time Traffic Information Remote Services Apple CarPlay compatibility Enhanced USB and Bluetooth plus Smartphone integration 7...

Страница 88: ...lack Sapphire metallic SA A90 Dark Grey metallic SA C1M Phytonic Blue metallic SA C1N Sunstone metallic SA C28 Donington Grey metallic SA C3G Toronto Red metallic 7 2 2 Merino leather with additional...

Страница 89: ...M bi color Orbit grey with different tires front and rear SA 1Y5 21 V spoke model 765M bi color Jet black with different tires front and rear only in conjunction with Competition package SA 7MA SA 1RF...

Страница 90: ......

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