11 14 151 Replacing crankshaft radial seal on transmission side (N63)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2014 BMW X6, 2013 BMW X6, 2012 BMW X6, 2011 BMW X6, and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: The crankshaft radial seal can only be replaced completely with the end cover.

The crankshaft radial seal is an integral part of the end cover and cannot be replaced individually.

Necessary preliminary tasks:

Drain off engine oil
Remove flywheel

Release screws (1).

Release screws (2).

Carefully remove end cover with crankshaft radial seal.

Fig 1: Identifying Cover Screws

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Support sleeve (2) is included in scope of delivery.

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

Crankshaft radial seal (1) must not be reused in this eventuality!

Fig 2: Identifying Support Sleeve And Crankshaft Radial Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Support sleeve (2) remains in the crankshaft radial seal (1) and is used as a slip sleeve during subsequently described installation.

IMPORTANT: The sealing lip of the crankshaft radial seal (1) is highly sensitive and must not be kinked.

Do not touch the sealing lip with your fingers.

IMPORTANT: Special tool 11 2 390 must not be used.

When the crankshaft radial seal is installed, only the support sleeve included in the scope of delivery may be used as a slip sleeve.

Fig 3: Caution For Special Tool 11 2 390

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Check dowel sleeves (1) for damage and correct installation position.

Clean sealing face (2) so that it is free from oil and grease.

Coat contact points on joint along oil sump (see arrows) with Drei Bond 1209.

Fig 4: Identifying dowel sleeves and sealing face

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Lightly oil running surface of crankshaft.

Fit end cover (1) with support sleeve (2) on crankshaft and push on carefully.

NOTE: Picture shows (N62TU).

Fig 5: Fitting Cover With Support Sleeve On Crankshaft

Courtesy of BMW OF NORTH AMERICA, INC.

Insert screws (2) and initially tighten without play.

Insert screws (1) and initially tighten without play.

Tighten down screws (2) from inside outwards.

Tighten down screws (1) from inside outwards.

Tightening torque 11 14 4AZ, see 11 14 CASE COVERS

Fig 6: Identifying Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.