Necessary preliminary tasks

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Remove REAR WHEEL
Remove LUGGAGE COMPARTMENT WHEEL ARCH TRIM

Version with VDC shock absorber only:

Unlock and disconnect plug connection and expose line to shock absorber

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

Support trailing arm with a workshop jack (1).

Release screw.

Tightening torque 33 52 3AZ .

Installation:

Thrust washer (2) on rubber bearing must point to screw head.

Tighten bolt in NORMAL POSITION .

Fig 1: Supporting Trailing Arm Using Workshop Jack

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Remove shock absorber with support bearing towards bottom.

Installation:

Replace flat seal (between support bearing and body).

Replace self-locking nuts.

Tightening torque 33 52 2AZ .

Fig 2: Identifying Nuts

Courtesy of BMW OF NORTH AMERICA, INC.