33 31 503 Lowering/Raising Rear Axle Carrier

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

Necessary preliminary tasks:

Remove rear wheels
Remove EXHAUST SYSTEM .
Partially detach heat insulation at rear
Remove handbrake cable on both sides from hanging hook
Detach plug connection for pulse generator on both sides and expose line up to control arm
Detach plug connection for brake pad wear sensor on right and expose line up to control arm
If necessary, disconnect plug connection from ride-height sensor
Remove SPRING STRUT SHOCK ABSORBER ON BOTH SIDES FROM WHEEL CARRIER .

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.

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

Insert special tools 33 4 233 and 33 4 232 into corresponding mountings of special tool 00 2 040 .

Align special tool 00 2 040 to rear axle carrier.

Support rear axle carrier by raising special tool 00 2 030 .

Fig 1: Identifying Special Tools (00 2 030, 00 2 040, 33 4 232, 33 4 233)

Courtesy of BMW OF NORTH AMERICA, INC.

Version with Dynamic Drive:

Partially DETACH PRESSURE LINES FOR REAR AXLE OSCILLATING MOTOR on floorpan and remove right bracket from rear axle carrier.

Remove TENSION STRUTS .

Release screws (1) and remove stop plate (2).

Lower rear axle carrier (3).

Installation:

Check threads for damage; if necessary, repair with HELICOIL THREAD INSERTS .

First install TENSION STRUTS and then tighten down bolts (1).

Tightening torque: 33 33 3AZ . See REAR AXLE SUSPENSION for specs.

Fig 2: Identifying Screws And Stop Plate

Courtesy of BMW OF NORTH AMERICA, INC.