11 14 141 Replacing radial shaft seal in lower timing case cover (N63)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

Necessary preliminary work

Removing VIBRATION DAMPER

Position all levers (2) horizontally to pull off radial shaft seal (1).

Turn back spindle of special tool 11 9 410 until all levers (2) can be positioned on sealing lip.

Fig 1: Pulling Radial Shaft Seal Using Special Tool

G08475261

Courtesy of BMW OF NORTH AMERICA, INC.

Turn all levers (2) so that they grip behind radial shaft seal (1).

Turn spindle (3) on special tool 11 9 410 to remove radial shaft seal (1).

Fig 2: Removing Radial Shaft Seal Using Special Tool (11 9 410)

G08475262

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Radial shaft seal (1) may only be supported with "support sleeve" (2).

If the radial shaft seal (1) is stored for more than six months without the support sleeve (2), its operational reliability will no longer be guaranteed.

Radial shaft seal (1) must not be reused in this case!

Fig 3: Identifying Radial Shaft Seal And Support Sleeve

G08475263

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: The sealing lip of the radial shaft seal (1) is highly sensitive and must not be kinked under any circumstances.
Do not touch the sealing lip with your fingers.

Remove support sleeve (2) from radial shaft seal (1).

Fit radial shaft seal (1) on lower gear case cover.

Fig 4: Identifying Lower Gear Case Cover Radial Shaft Seal

G08475264

Courtesy of BMW OF NORTH AMERICA, INC.

Using special tool 11 9 420 and central bolt (3), screw radial shaft seal into lower gear case cover until flush.

Fig 5: Screwing Radial Shaft Seal Into Lower Gear Case Cover Using Special Tool (11 9 420)

G08475265

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.