31 51 015 Replacing shaft seal for left output shaft

Special tools required:

31 5 130 SET OF IMPACT DRIFTS

Necessary preliminary tasks:

Remove left output shaft, see 31 60 000 Removing and installing/replacing left or right output shaft .

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

Fig 1: Shaft Seal, Screwdriver And Front Differential

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Protective Sleeve And Shaft Seal

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: Special Tool (31 5 130)

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Check front differential oil, see 31 50 ... Changing front differential oil .