31 12 000 Removing and Installing/Replacing Left or Right Control Arm

31 12 000 Removing and installing/replacing left or right wishbone







NOTE: If the wishbone is detached from the front axle support, it will be necessary to carry out the wheel alignment procedure.







Necessary preliminary tasks:
- Remove front wheel. (outer M3, M Coupe)
- Remove front underbody protection. (outer M3)







Outer M3, M Coupe:
If necessary, remove jointed rod of ride height sensor from wishbone.







M3, M Coupe:
Slacken nut (1).
Remove jointed rod (2) from wishbone.

Installation note:
Sensor lever (3) must point from ride height sensor to left front wheel.

Tightening torque 37 14 3AZ







Release nut (1), if necessary, counter-hold at inner Torx (T40).

Installation note:
Keep wishbone to swivel bearing connection clean and free from oil and grease.
Replace self-locking nut.
Tightening torque 31 12 4AZ







Slacken nut (1).
Remove screw towards front; if necessary remove bracket (2) with ride-height sensor.
Take off wishbone.

Installation note:
Screw head must point in direction of travel.

Replace self-locking nut.
Tighten down bolt connection in normal position.
Tightening torque 31 12 3AZ







After installation:
- Carry out wheel alignment procedure.

.|�%: