31 51 065 Replacing O-ring for bearing block

Necessary preliminary tasks: 

• Remove bearing support  . See 31 53 040 REMOVING AND INSTALLING/REPLACING RIGHT OUTPUT SHAFT BEARING BLOCK , 31 53 040 REMOVING AND INSTALLING/REPLACING RIGHT OUTPUT SHAFT BEARING BLOCK  or 31 53 040 REMOVING AND INSTALLING/REPLACING RIGHT OUTPUT SHAFT BEARING BLOCK .

Lever out O-ring (1) from bearing block (2) with a screwdriver.

Installation note: 

Insert O-ring (1) in groove and coat with front axle differential oil.

Replace RADIAL SHAFT SEAL .

Fig 1: Identifying Bearing Block And O-Ring

Courtesy of BMW OF NORTH AMERICA, INC.