27 21 010 Replacing radial shaft seal for drive flange (ATC 35L)

WARNING: This page is about a different car, the 2018 BMW 330i xDrive and 2017 BMW 330i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required :

23 0 490
27 1 430

IMPORTANT: After completing repair work, check GEARBOX OIL LEVEL and top up if necessary.
Use only the approved transmission oil. See TRANSFER CASE - OPERATING FLUIDS .

Necessary preliminary tasks :

Remove TRANSFER CASE .

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

IMPORTANT: Do not use a drill since metallic shavings may result in transmission malfunction.

G04745123

Courtesy of BMW OF NORTH AMERICA, INC.

Screw special tool 23 0 490 into radial shaft seal.

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

G04745124

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note :

Coat sealing lips of new radial shaft seal with clean transmission oil.

Drive in radial shaft seal with special tool 27 1 430.

G04745125

Courtesy of BMW OF NORTH AMERICA, INC.

Reassemble the vehicle.

Check transmission oil level.

Check transmission for leaks.

Required follow-up work:

Install TRANSFER CASE .

Check transmission for leaks.