31 51 015 Replacing shaft seal for left output shaft

Special tools required:

Necessary preliminary tasks:

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

Fig 1: Removing Shaft Seal

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Install radial shaft seal:

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

Fig 2: Identifying Protective Ring And Radial Shaft Seal

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

Drive in shaft seal with special tool31 4 160 up to limit position.

Carefully remove special tool 31 4 160.

Open installation protective ring (1).

Check FRONT AXLE GEARBOX OIL LEVEL , correct if necessary.

Fig 3: Driving In Shaft Seal With Special Tool (31 4 160)

Courtesy of BMW OF NORTH AMERICA, INC.