BMW 7 Owners & Service Manuals

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).

Rear Sub-frame
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.

Rear Sub-frame
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.

Rear Sub-frame
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

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