31 51 065 Replacing O-ring for bearing block

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove BEARING SUPPORT .

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.