31 51 015 Replacing radial shaft seal for output shaft, left

Special tools required:

31 5 130

Necessary preliminary work:

REMOVE left output shaft.

Lever radial shaft seal (1) with a screwdriver (2) out of front axle differential (3).

Fig 1: Pulling Out Radial Shaft Seal From Front Axle Differential With Screwdriver

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Protective grommet (1) serves to protect the sealing lips of radial shaft seal (2) from being damaged when the output shaft is inserted into the front axle differential.

Fig 2: Identifying Protective Grommet And Radial Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Drive in radial shaft seal with special tool 31 5 130 as far as it will go.

Fig 3: Installing Radial Shaft Seal With Special Tool (31 5 130)

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Check FRONT AXLE GEARBOX OIL LEVEL , correct if necessary.