27 21 010 Replacing radial shaft seal for drive shaft (ATC 700)

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

23 0 490
27 1 460

IMPORTANT: After completing work, check GEAR OIL LEVEL and top up if necessary.
Use only approved oil for this transfer case: Transfer-box oil TF0870, BMW part number 83 22 0 397 244 (1-litre can)

Necessary preliminary tasks:

Remove TRANSFER BOX

Drive a hole into radial shaft seal (1) using a center punch (2).

IMPORTANT: Do not use a drill as drillings may result in transmission malfunction.

Fig 1: Driving Hole Into Radial Shaft Seal Using Centre Punch

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 23 0 490 .

Drive out radial shaft seal (1) with impact weight (2).

Fig 2: Driving Out Radial Shaft Seal With Impact Weight

Courtesy of BMW OF NORTH AMERICA, INC.

Drive in radial shaft seal with special tool 27 1 460.

Fig 3: Driving Radial Shaft Seal With Special Tool (27 1 460)

Courtesy of BMW OF NORTH AMERICA, INC.

Reassemble the vehicle.

Check oil level.

Check transmission for leaks.