33 11 151 Replacing shaft seal for drive flange left or right

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work:

Remove REAR AXLE FINAL DRIVE

Use special tools 00 5 010 and 32 1 060 /33 1 308 to remove radial shaft seal

Fig 1: Removing Radial Shaft Seal Using Special Tools (32 1 060) And (33 1 308)

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Protective Rings And Sealing Lips On Radial Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Installation protective ring (1) must not slip out of radial shaft seal!

Coat housing of sheet metal flange of radial shaft seal with APPROVED FINAL DRIVE OIL .

Drive in radial shaft seal as far as it will go with the following special tools, depending on rear axle final drive/outer diameter:

33 5 130

33 5 140

Remove special tool.

Open installation protective ring (1).

Fig 3: Installing Radial Shaft Seal Using Special Tools (33 5 130) And (33 5 140)

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT:

High installation forces indicate that the output shaft spline teeth are damaged or deformed!

Check gearing, replace damaged parts if necessary.

Check dust plate (1) for damage, replace if necessary.

Replace circlip (2).

Coat highlighted contact surface (3) of output shaft with APPROVED FINAL DRIVE OIL .

Fig 4: Identifying Dust Plate, Circlip And Coat Contact Surface

Courtesy of BMW OF NORTH AMERICA, INC.

Insert output shaft into rear axle final drive.

Pull out assembly protection ring at lug (1) until one of the two predetermined breaking points gives.

Fig 5: Identifying Lug

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Check OIL LEVEL , correct if necessary