31 21 180 Replacing bearings (wheel hub) for front wheel

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW 650i, 2009 BMW M6, 2009 BMW 650i, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove swivel bearing 31 21 090 Removing and installing/replacing left or right swivel bearing .

IMPORTANT: When clamping swivel bearing unit, make sure it is only clamped at wheel bearing.

Clamp swivel bearing as illustrated.

Fig 1: Locating Swivel Bearing Clamping Position

G04760346

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws and remove swivel bearing upwards.

Fig 2: [Locating Bolts]

G04760347

Courtesy of BMW OF NORTH AMERICA, INC.

Keep tapped holes (1) clean and free from grease.

Keep contact surface (2) of wheel bearing and swivel bearing clean and free from grease.

Installation:

If the wheel bearing is not replaced, all the tapped holes (1) in the wheel bearing must be reconditioned.

Replace screws.

Tightening torque 31 21 5AZ . See FRONT AXLE - TIGHTENING TORQUES -- 650I

Fig 3: Identifying Tapped Holes And Contact Surface Of Wheel Bearing

G04760348

Courtesy of BMW OF NORTH AMERICA, INC.