33 32 091 Replacing a guide arm

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW 650i, 2009 BMW M6, 2009 BMW 650i, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: The guide arm to wheel carrier connection has been changed from a conical seat to a ball seat! Spare parts are offered for both variants.
To ensure a correct bolt connection, check before installing the guide arm whether the seat for the guide arm matches the seat for the wheel carrier.
For reasons of driving dynamics, the guide arms may only be replaced in pairs!

Variants:

M10 journal: Conical seat
M12 journal: Ball seat

Fig 1: Identifying Conical Seat And Ball Seat Of Guide Arm
Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: If the guide arm is detached from the rear axle carrier, it is necessary after reinstallation to carry out a wheel/chassis alignment check.

Necessary preliminary tasks:

Remove rear wheel .

Unscrew nut (1).

Remove guide arm from wheel carrier.

Installation:

Keep guide arm to wheel carrier connection clean and free from oil and grease.

Replace self-locking nut.

Tightening torque 33 32 4AZ , see 32-CONTROL ARMS AND STRUTS .

Fig 2: Identifying Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Mark position of eccentric screw (3) to rear axle carrier.

Release nut (1) and remove eccentric washer (2).

Pull out eccentric screw (3) and remove guide arm.

Installation:

Note insertion direction of eccentric screw.

Align eccentric screw by means of marking to rear axle carrier.

Refit eccentric washer.

Replace self-locking nut.

Tighten bolt connection in normal position .

Tightening torque 33 32 5AZ , see 32-CONTROL ARMS AND STRUTS .

Fig 3: Pulling Out Eccentric Screw

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Perform chassis alignment check