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. See CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITIONor CHASSIS/WHEEL ALIGNMENT CHECK/RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .

Necessary preliminary tasks:

Outer M3, M Coupe:

If necessary, remove jointed rod of ride height sensor from wishbone.

Fig 1: Locating Ride Height Sensor Jointed Rod

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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

Fig 2: Identifying Control Arm Jointed Rod, Sensor Lever And Nut

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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

Fig 3: Identifying Nut

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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

Fig 4: Identifying Ride-Height Sensor Bracket And Nut

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After installation