BMW X3 Service & Repair Manual: Replacing bearing for front wheel
Necessary preliminary tasks:
If necessary, remove visual protection cap (1).

Release collar bolt (1), press brake pedal to floor for this purpose.

Installation note:
- Renew collar bolt (1) and compression spring (2).
- Pay attention to installation position of compression spring (2).
- Keep collar bolt and spur toothing of bearing/propeller shaft clean and free of grease
- Follow installation note of the spur gearing.

Remove BRAKE DISC .
NOTE:
Check brake pad and replace if necessary!
Press output shaft on swivel bearing to one side slightly and release screws (1).
Remove bearing.

Installation note:
- Replace screws.
-
Keep contact surface (2) of wheel bearing and swivel bearing clean and free from grease.

IMPORTANT:
Note on installation for spur gearing must be observed without fail!
Installation note:
- Spur gearing of bearing (1) and output shaft (2) must be installed form-fit (tooth in tooth)!
- Tighten collar bolt and compression spring by hand.
-
Check whether spur gearing is locked tooth in tooth by reciprocally rotating wheel hub/output shaft.
- Once a form-fit has been ensured, tighten to final torque.

Special tools required:
31 2 230
Necessary preliminary tasks:
Remove FRONT WHEEL .
Detach ANTI-ROLL BAR LINK AT SPRING STRUT.
Detach PU ...
Necessary preliminary tasks:
Remove FRONT WHEEL .
Remove BRAKE DISC .
Check brake pad and replace if necessary!
Release screws (1).
...
Other materials:
BMW X3 Owners Manual > Mobility System: Filling the tire with sealant
1. Shake the sealing container.
2. Pull the connection hose fully out of the
compressor housing. Do not kink the hose.
3. Screw the connection hose onto the connector
of the sealant container.
4. Insert the sealant container on the compressor
housing in an upright position.
5. ...