11 14 141 Replacing radial shaft seal in bottom timing case cover (S63)

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Special tools required:

11 9 410 .
11 9 420 .

Necessary preliminary tasks:

Remove 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.

Graphic N62TU.

Fig 1: Identifying Special Tool Levers And Radial Shaft Seal

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

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!

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).

Fig 3: Identifying Radial Shaft Seal And Support Sleeve

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 4: Identifying Radial Shaft Seal On Lower Timing Case Cover

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: Screwing Radial Shaft Seal Into Lower Timing Case Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.