33 31 011 Replacing Rear Axle Support

33 31 011 Replacing Rear Axle Support







WARNING:
Danger of injury.
Failure to comply with the following instructions may result in the vehicle slipping off the lifting platform and critically injuring other persons.
Load the luggage compartment with a minimum of 100 kg before lowering/removing the rear axle support. This prevents the vehicle from tilting or sliding off the vehicle hoist.

When supporting components, make sure that:
- the vehicle can no longer be raised or lowered
- the vehicle does not lift off the locating plates on the vehicle hoist.







IMPORTANT:
Before lowering/removing rear axle support:
Observe safety information for raising the vehicle
In order to avoid damage to vehicle hoist, perform weight compensation on vehicle.







Necessary preliminary tasks:
- Remove rear axle final drive.
- Remove complete rear axle carrier.







Remove both brake calipers if necessary with brake pad wear sensor (disconnect brake hose from brake line).
Remove both brake discs.
Remove both brake lines from rear axle support.
Remove anti-roll bar (remove anti-roll bar links from wheel carrier).
Remove ride height sensor with holder from rear axle support.
E93 except for M3: Remove vibration absorber (version D).







Remove both camber arms from rear axle support.
Remove both toe arms on rear axle support.
Remove both trailing arms from rear axle support.
Remove both control arms on rear axle support.
Remove both wishbones on rear axle support.
Remove both wheel carriers with output shaft and all arms from rear axle support.







If necessary, unclip and remove left and right stoneguards (1) in the marked areas.

Installation note:
Replace damaged stoneguards.







After installation:
- Bleed brake system.
- Adjust parking brake if the setting of the adjustment unit was changed during detachment and attachment of the handbrake Bowden cables.
- Carry out wheel alignment procedure.