Installing new shaft seal

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Circlip (1) must always be replaced.
Install circlip (1) in sun gear in such a way that opening (2) is positioned at 6 o'clock.

Fig 1: Identifying Circlip With Opening

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Protector (1) serves to protect the sealing lips on shaft seal (2) when the drive flange is being installed!

Coat inner surface of protector (3) with provided grease only.

Fig 2: Identifying Shaft Seal And Protector Inner Surface

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Protector must not slip out of shaft seal!

Drive in shaft seal to stop with special tool 33 0 130.

Do not remove protector (1).

Fig 3: Installing Shaft Seal Using Special Tool (33 0 130)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Clean shaft seal races on drive flange thoroughly.

Insert drive flange (1) to dimension A=4.5 cm into rear axle final drive (gearing on drive flange not visible).

Pull out protector at tab (2).

Push drive flange (1) into rear axle final drive as far as it will go and turn. Press in drive flange (1) further until circlip can be heard and felt to snap into place.

Fig 4: Pulling Out Protector At Tab

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The inner design of the differential causes a small, axial play of the drive flange - this play does not imply any damage.

IMPORTANT: High installation forces indicate that the gearing on the drive flange/differential bevel gear is damaged/deformed!
Check gearing, replaced damaged parts.