E85 (e.g. Drive Line) Transmissions SOP USA: GS5-20BG SOP USA: GA5HP19Z 2 2

E85 (e.g. Drive Line) Transmissions SOP ECE: GS6-37BZ Later: SMG 6-Gear 2 2

E85 (e.g. Drive Line) GS6-37BZ Transmission Casing: Diecast aluminium, Fixed with aluminium bolts! 1) Gearbox bearing block 2 2

E85 (e.g. Drive Line) GS6-37BZ Transmission Dual-mass flywheel Involute toothing of the drive shaft 2 2

E85 (e.g. Drive Line) GS6-37BZ Transmission 2 2

E85 (e.g. Drive Line) GS6-37BZ Transmission 1st Gear: i 1.gear = 4.350 300 Nm 390 Nm 1226 Nm 2 2

E85 (e.g. Drive Line) GS6-37BZ Transmission 1st Gear: 2nd Gear: i 2.gear = 2.496 300 Nm 390 Nm 300 Nm 390 Nm 704 Nm 2 2

E85 (e.g. Drive Line) GS6-37BZ Transmission 300 Nm 390 Nm 2nd Gear: 3rd Gear: i 3.gear = 1.665 300 Nm 390 Nm 470 Nm 2 2

E85 (e.g. Drive Line) GS6-37BZ Transmission 300 Nm 390 Nm 3rd Gear: 4th Gear: i 4.gear = 1.230 300 Nm 390 Nm 347 Nm 2 2

E85 (e.g. Drive Line) GS6-37BZ Transmission 300 Nm 390 Nm 4th Gear: 5th Gear: i 5.gear = 1 300 Nm 300 Nm 2 2

E85 (e.g. Drive Line) GS6-37BZ Transmission 6th Gear: 300 Nm 5th Gear: i 6.gear = 0.851 300 Nm 390 Nm 240 Nm 2 2

E85 (e.g. Drive Line) GS6-37BZ Transmission Reverse Gear: i R.gear = 3.926 300 Nm 390 Nm 1107 Nm 2 2

E85 (e.g. Drive Line) SMG 6-Gear Transmission 2 2

E85 (e.g. Drive Line) SMG 6-Gear Transmission SMG bus overview 2 2

E85 (e.g. Drive Line) SMG 6-Gear Transmission SMG input/ output signals 2 2

E85 (e.g. Drive Line) SMG 6-Gear Transmission FDC-Function 2 2

E85 (e.g. Drive Line) SMG 6-Gear Transmission 2 2

E85 (e.g. Drive Line) SMG 6-Gear Transmission 1 Shift/selection actuator 2 Shift-travel sensor 3 Selection-angel sensor 4 Pressure accumulator 5 Clutch actuator with Clutch control travel sensor 6 Hydraulic pump 7 Sensor for gearbox input speed 8 Expansion tank 9 Valve block 2 2

E85 (e.g. Drive System) Topics Powertrain: Rear Axle Differential Propeller Shaft Drive Shaft 2 2

Chassis I: E85 (e.g. Chassis) Topics Front Axle Rear Axle Suspension 2

Chassis II: E85 (e.g. Chassis) Topics Brake System Parking Brake Driving Dynamic System 2 2

Chassis III: E85 (e.g. Chassis) Topics Electric Power Steering (EPS) Run Flat Tyre (RFT) Tyre defect indicator (RPA) 2 2

E85 (e.g. Chassis) Chassis III Run Flat Tyre: 2 2

E85 (e.g. Chassis) Chassis III RPA button and indicator lamp: 2 2

E85 (e.g. Chassis) Chassis III EPS bus overview 2 2

E85 (e.g. Chassis) Chassis III EPS components 2 2

E85 (e.g. Chassis) Chassis III EPS input / output signals 2 2

E85 (e.g. Chassis) Chassis III EPS System schematic Backup and safety function: Default 1 [Heavy] No Servo function Default 2 [40 sec. On block] Power reduction up to 50% Default 3 [missing v-signal] No Servotronic function Default 4 [LWS def.] No active return to center 2 2

E85 (e.g. Chassis) Chassis III EPS mounting 2 2

E85 (e.g. Chassis) Chassis III Servo unit components Magnet wheel Steering torque sensor with coil-spring cassette EPS control unit Servo unit electric motor Worm gear shaft Steering angle sensor Tuning lock Housing from worm gear and steering torque sensor Worm gear Torsion bar 2 2

E85 (e.g. Chassis) Chassis III Lower steering spindle 2 2

E85 (e.g. Chassis) Chassis III Operating principle of steering torque sensor Magnetoresistive element 1 Signal amplification Power supply Signal 1 Signal 2 Ground/earth Ceramic substrate Magnetoresistive element 2 Magnet wheel 2 2

E85 (e.g. Chassis) EPS benefits 2 2