33 31 011 Replacing rear axle support

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Risk of injury!
Failure to comply with the following instructions may result in the vehicle slipping off the lifting platform and critically injuring other persons.
Read and observe the information on permissible load distribution in the lifting platform instruction manual.
Load the luggage compartment with a minimum of 100 kg before lowering/removing the rear axle support.
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 lifting platform

Necessary preliminary tasks:

Remove REAR AXLE FINAL DRIVE
Remove REAR AXLE CARRIER

Remove brake lines.

Remove ANTI-ROLL BAR

Version with Dynamic Drive: Disconnect control lines for oscillating motor of rear axle from rear axle carrier.

Remove ACTUATOR UNIT (PARKING BRAKE) .

Remove both BRAKE DISCS .

Remove RIDE-HEIGHT SENSOR(S) .

Fig 1: Identifying brake lines

G04794600

Courtesy of BMW OF NORTH AMERICA, INC.

Remove both SWINGING ARMS ON REAR AXLE SUPPORT .

Remove both WISHBONES ON REAR AXLE SUPPORT .

Remove both GUIDE ARMS ON REAR AXLE CARRIER .

Remove both wheel carriers with output shaft, swinging arm and suspension arms.

Fig 2: Identifying Swinging Arms, Wishbones And Guide Arms

G04794601

Courtesy of BMW OF NORTH AMERICA, INC.

Take rear axle support down from special tool with assistance of a 2nd person and set down on a suitable surface.

Installation:

Use previous rear axle support as a template for modifying or replacing small parts.

Fig 3: Identifying Rear Axle Support

G04794602

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Activate and fill AIR SUSPENSION SYSTEM
Carry out RIDE-HEIGHT CALIBRATION
BLEED BRAKE SYSTEM
Perform chassis alignment check
If necessary, carry out initial Dynamic Drive operation