23 12 506 Replacing the drive shaft radial shaft seal (GS6-85BG)

WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: After completion of work, check gearbox oil level.
Use only the approved gearbox oil.
Failure to comply with this requirement will result in serious damage to the manual transmission!

Necessary preliminary work:

Remove transmission.
Remove clutch release bearing.

Release bolts (1) and remove guide tube (2).

Fig 1: Identifying Guide Tube With Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The shaft seal and the guide tube are replaced together.

Installation note:

Wrap adhesive tape round keyway splines of drive shaft to avoid damaging the sealing ring while it is being installed.

Lubricate sealing lip of sealing ring.

Replace mounting bolts of guide bush.

Tightening torque 23 11 1AZ.