31 21 090 Replacing left/right swivel bearing
Special tools required:
- 31 2 230
These swivel bearings with camber correction are used to correct the camber values by ±30 min. To be used only if the camber tolerance values are exceeded and undershot.
Attention!
On the M135i and M235i the camber correction of -30 min for the swivel bearing is standard status for production vehicles.
IDENTIFICATION IS MADE AT THE PART NUMBER ON SWIVEL BEARING .
Necessary preliminary tasks:
- Refer to REMOVING FRONT BRAKE DISC
- Refer to REMOVING PULSE GENERATOR FROM SWIVEL BEARING
Attention!
Prior to installation, check sensor head and cable from pulse sensor and replace if necessary.
Only on ride-height sensor at left:
Release link at wishbone.
Slacken wishbone SCREW CONNECTION on front axle support in order to prevent wishbone rubber mount from being damaged.
Remove WISHBONE from swivel bearing.
Remove TRACK ROD END from swivel bearing.
Remove TENSION STRUT from swivel bearing.
Support swivel bearing with universal jack and suitable fixture.
Slacken nut (1).
Tightening torque 31 31 3AZ
Take off holder (2).
Pull out screw.
Installation note:
Replace nut (1).
Bolt head points in direction of travel.
Expand swivel bearing with special tool 31 2 230.
Lower universal jack and remove swivel bearing.
Installation note:
Keep connection between spring strut and swivel bearing clean and free from oil and grease.
Installation note:
Expand swivel bearing with special tool 31 2 230.
Alight gap on swivel bearing (1) to positioning pin (2) on spring strut.
Slide on swivel bearing to limit position.
- Remount WHEEL BEARING or replace if necessary.
- Remount brake guard plate or replace if necessary.
After installation:
- Carry out WHEEL ALIGNMENT PROCEDURE .