BMW 7 Series: Replacing Rear Axle Support
IMPORTANT: Before removing rear axle support: In order to avoid damage to vehicle hoist, perform weight compensation on vehicle.
Load luggage compartment with sand bags.
Necessary preliminary work
- Remove REAR AXLE FINAL DRIVE
- Remove REAR AXLE SUPPORT
Remove brake lines.
Remove anti-roll bar.
Version with Dynamic Drive: Disconnect control lines for swivel motor of rear axle from rear axle support.
Remove ACTUATOR UNIT (PARKING BRAKE).
Remove RIDE HEIGHT SENSOR(S).
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Fig. 84: Identifying Brake Lines, Anti-Roll Bar, Actuator Unit And Ride
Height Sensor
Remove both swinging arms on rear axle support.
Remove both wishbones on rear axle support.
Remove both toe arms on rear axle support.
Remove both wheel carriers with output shaft, swinging arm and wishbones.
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Fig. 85: Identifying Swinging Arms, Wishbones And Toe Arms
Take rear axle support down from special tool with assistance of a 2nd person and set down on a suitable surface.
Installation note: Use previous rear axle support as a template for modifying or replacing small parts.
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Fig. 86: Identifying Rear Axle Support
After Installation note
- If necessary, run COMMISSIONING of Dynamic Drive
- Carry out RIDE HEIGHT ADJUSTMENT
- Adjusting PARKING BRAKE
- Perform CHASSIS/WHEEL ALIGNMENT CHECK
READ NEXT:
Removing And Installing/Replacing A Steering Stub/Wheel Carrier
Remove REAR WHEEL.
IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread
when releasing
collar nut.
Release collar nut (1), activate parking brake for this purpose.
Installation no
Removing And Installing/Replacing Left Or Right Antiroll Bar
Link/Integral Link
NOTE: If the integral link is detached from the swinging arm, it is
necessary after
installation to carry out a chassis/wheel alignment check.
Necessary preliminary work
Remove REAR WHEEL.
Release
SEE MORE:
Tire pressure monitor
Concept
The system monitors tire inflation pressure in the
four mounted tires. The system warns you if
there is a loss of pressure in one or more tires.
General information
Sensors in the tire valves measure the tire inflation
pressure and tire temperature.
Using the tire settings in iDrive, the sy
Removing And Installing/Replacing Dynamic Drive Return From Separation Point
To Cooling Loop
WARNING: DANGER OF POISONING if oil is ingested/absorbed through
the skin! RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to
enter the hydraulic
system.
Do not draw off hydraulic fluid (risk of contamination).
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