33 32 091 Replacing a control arm

WARNING: This page is about a different variant/trim than selected.

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

Necessary preliminary tasks

Remove REAR WHEEL .

Release screw.

Tightening torque 33 32 4AZ .

Installation note:

If necessary, raise wheel carrier in area of brake calliper by hand.

Replace screw.

Fig 1: Locating Brake Caliper Mounting Nut

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IMPORTANT: Make sure during installation that in the connection area to the wheel carrier the tapered end of the bearing bushing (of the rubber mount) points in the direction of the wheel carrier.

Fig 2: Identifying Wheel Carrier Connection Area

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NOTE: On the M3 a ball joint is fitted in the guide arm.

Slacken nut (1).

Tightening torque 33 32 3AZ .

Unscrew bolt towards rear and remove guide arm (2).

Installation note:

Bolt head must point to rear.

Replace self-locking nut.

Fig 3: Removing Guide Arm

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After installation:

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 CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .