31 51 020 Replacing Shaft Seal For Right Output Shaft

Special tools required:

Necessary preliminary tasks:

Lever shaft seal (1) out of bearing block with a screwdriver (2).

Fig 1: Identifying Shaft Seal And Screwdriver

Courtesy of BMW OF NORTH AMERICA, INC.

Installing shaft seal:

NOTE: The installation protective ring (1) serves to protect the sealing lips on shaft seal (2) when the output shaft is being installed.

Fig 2: Identifying Shaft Seal And Protective Ring

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Installation protective ring must not slip out of shaft seal!

Drive in shaft seal with special tool 31 4 160 as far as it will go.

Carefully remove special tool 31 4 160 .

Open installation protective ring (1).

Fig 3: Identifying Protective Ring And Special Tool (31 4 4160)

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Check front differential oil level , correct if necessary. See 31 50... CHANGING FRONT DIFFERENTIAL OIL .