31 12 000 Removing and installing/replacing left or right control 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.

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

Necessary preliminary tasks:

If necessary, remove steering gear cover at side

Right side only on version with xenon headlight:

Release nut (jointed rod on control arm).

Remove jointed rod (1) from control arm.

Disconnect plug connection (2) on ride-height sensor.

Fig 1: Identifying Jointed Rod And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nut (1).

Remove screw towards rear.

Only on right side: If necessary, remove holder with ride-height sensor.

Installation:

Replace self-locking nut.

Tightening torque 31 12 2AZ. See FRONT AXLE - TIGHTENING TORQUES -- 650I

Release nut (2); if necessary, grip at Torx socket.

Take off control arm.

Installation:

Keep control arm to swivel bearing connection clean and free from oil and grease.

Replace self-locking nut.

Tightening torque 31 12 6AZ. See FRONT AXLE - TIGHTENING TORQUES -- 650I

Fig 2: Identifying Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Perform chassis alignment check
Carry out steering angle sensor adjustment/adjustment for active front steering