33 11 ... Replacing O-Ring For Side Lid on Rear Axle Final Drive, Left or Right

33 11 ... - Replacing O-ring for side cover on rear differential on left or right (M3)





Necessary preliminary tasks:
- Remove drive flange from rear differential Removal and Replacement





Mark installation position of side cover (2) to housing.
Release bolts along line (1).
Press cover (2) with two screwdrivers off housing.

Installation:
Markings (3) on cover and housing must match up.
Tighten screws crosswise.
Tightening torque 33 11 4AZ 33 11 Rear Differential Case with Cover.





Raise mount and remove cover (1) with ring (2).

Installation:
Insert cover with ring in housing.
Raise mount and slide in cover as far as it will go.





Installation:
Clean contact surface (1) for O-ring all round.





Replace O-ring (1).

Installation:
Keep drain opening (2) for gear oil clean.
Moisten O-ring with approved differential oil.





After installation:
- Check rear differential oil level , correct if necessary