2721030 Replacing radial shaft seal for front axle output (ATC 300): Notes

WARNING: This page is about a different car, the 2011 BMW 328xi, 2010 BMW 335xi, 2010 BMW 328xi, 2009 BMW 335xi, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: After completion of work, CHECK TRANSMISSION OIL LEVEL .
Use only the approved gear oil in the transfer case. See TRANSFER BOX - OPERATING FLUIDS .

Necessary preliminary tasks:

Remove front propeller shaft. See 26 20 000 REMOVING AND INSTALLING FRONT PROPELLER SHAFT .

Lever output flange (1) out of housing with screwdriver (2).

Lever radial shaft seal out of housing with a suitable tool.

IMPORTANT: Do not damage housing.

Fig 1: Removing Output Flange With Screwdriver

Courtesy of BMW OF NORTH AMERICA, INC.

Drive in radial shaft seal with special tool 27 1 450.

Fig 2: Installing Radial Shaft Seal With Special Tool 27 1 450

Courtesy of BMW OF NORTH AMERICA, INC.