31 12 000 Removing And Installing/Replacing Left Or Right Control Arm

IMPORTANT: Observe safety when raising the vehicle.

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:

Release nut (jointed rod on control arm).

Remove jointed rod (1) from control arm.

If necessary, disconnect plug connection (2) from ride-height sensor

Fig 1: Removing Jointed Rod From Control Arm

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) and remove screw towards rear.

Only on right side: Remove bracket with ride level sensor.

Installation:

Replace self-locking nut.

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

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

Take off control arm.

Installation:

Keep journal on ball head and bushing in swivel bearing clean and free from oil and grease.

Replace self-locking nut.

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

Fig 2: Identifying Bracket Nut

Courtesy of BMW OF NORTH AMERICA, INC.

After installation: