33 32 131 Removing and installing / replacing a steering stub / wheel carrier

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work

Deactivate and empty AIR SPRING SYSTEM
Remove REAR WHEEL.

IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread when releasing collar nut.

Release collar nut (1), activate parking brake for this purpose.

Installation note:

Replace collar nut, oil collar nut/wheel bearing contact surface only and tighten down.

No oil permitted on thread of shaft journal or collar nut.

Tightening torque 33 41 1AZ .

Fig 1: Releasing Collar Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Secure collar nut by positive peening on flat areas of output shaft.

Remove parking brake shoe expander . See 34 41 250 REMOVING AND INSTALLING/REPLACING EXPANDER FOR PARKING BRAKE SHOES or 34 41 280 REMOVING AND INSTALLING ACTUATOR UNIT WITH CONTROL UNIT FOR PARKING BRAKE (EMF) (only F07).

Remove parking brake Bowden cable from wheel carrier (only F07).

Remove PULSE SENSOR FROM WHEEL CARRIER.

IMPORTANT:

Check sensor head and line from pulse sensor prior to installation for external damage, replacing if necessary.

IMPORTANT: Secure wheel carrier against falling out.

Remove INTEGRAL LINK from wheel carrier.

Remove TOE ARM FROM WHEEL CARRIER.

Remove UPPER WISHBONE FROM WHEEL CARRIER.

Remove wheel carrier.

Replacement:

Modify wheel bearing

Modify BRAKE ANCHOR PLATE/BRAKE GUARD PLATE

Fig 2: View Of Wheel Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

After installation

Activate and fill AIR SUSPENSION SYSTEM
Adjust PARKING BRAKE (only F07)
Replacement only: Perform chassis / wheel alignment check . See 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or 32 00 155 KDS WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .