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

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.

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:

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

Fig 1: Locating Collar Nut

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

Tightening torque 33 41 1AZ .

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

Remove PARKING BRAKE SHOE EXPANDER .

Remove handbrake Bowden cable from wheel carrier (see ACTUATING UNIT (EMF) ).

Remove WHEEL BEARING (do not pull out drive flange).

Remove PULSE SENSOR FROM WHEEL CARRIER .

Tension rear coil spring and leave on vehicle at rear.

IMPORTANT:

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

Version with ride-height control:

Deactivate and drain AIR SPRING/SUSPENSION SYSTEM

IMPORTANT: Do not use any tools to remove the lower section of the air spring (1).

Tilt lower section of air spring (1) by hand towards front/side.

Installation:

Press lower section of air spring (1) by hand into wheel carrier until it can be seen and heard to snap into place.

Fig 2: Tilting Lower Section Of Air Spring

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IMPORTANT: Secure wheel carrier against falling out.

Remove INTEGRAL LINK .

Remove GUIDE ARM FROM WHEEL CARRIER .

Remove UPPER WISHBONE FROM WHEEL CARRIER .

Remove wheel carrier.

Fig 3: Identifying Wheel Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement

Modify BRAKE ANCHOR/BRAKE GUARD PLATE .

IMPORTANT: Make sure spring pad is correctly installed in order to prevent the coil spring from jumping out.

Modify lower spring pad (1). To do so, lever out upper section (2) with a suitable tool.

Fig 4: Identifying Lower Spring Pad And Upper Section

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After installation:

Activate and fill AIR SPRING SYSTEM
Adjusting PARKING BRAKE
Replacement only: Perform chassis alignment check. See WHEEL ALIGNMENT WITH VEHICLE LOAD UP TO DESIGN POSITION or CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .