31 51 020 Replacing shaft seal for right output shaft (AWD)

Special tools required:

Necessary preliminary tasks:

Lever radial shaft seal (1) with an open-end spanner (2) out of bearing support (3).

Fig 1: Removing Radial Shaft Seal Using Open-End Spanner

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Install radial 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 Radial Shaft Seal Lips And Protective Ring

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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

Fig 3: Identifying Special Tool (31 5 130)

Courtesy of BMW OF NORTH AMERICA, INC.