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 POSITION
or CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD
.
Necessary preliminary tasks
- Remove FRONT WHEEL . (outer M3, M Coupe).
- Remove front underbody protection. See 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION
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 . 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 .