Special tools required:

WARNING: This page is about a different car, the 2008 BMW 760Li and 2007 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

11 9 410. See 11 9 410 PULLER
11 9 420. . See11 9 420 INSTALLER

Necessary preliminary tasks:

Remove hub for vibration damper. See 11 23 031 Removing and Installing/Replacing Vibration Damper Hub (N73)

Special tool 11 9 410 for removing radial seal (1). . See11 9 410 PULLER

Set removal hooks (2) horizontally and install special tool 11 9 410. . See11 9 410 PULLER

Fig 1: Identifying Special Tool (11 9 410) On Radial Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Turn removal hooks so that they grips behind radial seal (1).

Pull off radial seal (1) with screw (3).

Fig 2: Identifying Special Tool (11 9 410) On Radial Seal

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Radial seal (1) may only be supported with support sleeve (2).

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

The sealing lip of the radial seal 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 seal (1).

Fig 3: Identifying Support Sleeve From Radial Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Using central bolt (3) with special tool 11 9 420, install radial seal flush with timing case cover. See 11 9 420 INSTALLER

Fig 4: Identifying Special Tool (11 9 420)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.