31 51 065 Replacing O-ring for bearing block

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. 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.