33 21 000 Removing and installing/replacing left or right output shaft

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: When reinstalling, place a new circlip on the output shaft!

The RADIAL SHAFT SEAL FOR THE OUTPUT SHAFT should be replaced every time the output shaft is removed and installed.

Observe SAFETY INFORMATION for raising the vehicle

Remove REAR WHEEL.

IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread when releasing collar nut.

Release collar nut (1), activate parking brake for this purpose.

Tightening torque 33 41 1AZ

Installation note:

Lightly oil gearing on shaft journal.

No oil permitted on thread of shaft journal or collar nut.

Replace collar nut and secure by means of positive peening on flat areas of output shaft.

Fig 1: Releasing Collar Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Remove REAR AXLE FINAL DRIVE.

IMPORTANT: Secure output shaft against falling out.
Do not damage dust plates (1, 2) when setting down output shaft.

Press OUTPUT SHAFT OUT OF DRIVE FLANGE and remove towards centre of vehicle.

Fig 2: Identifying Dust Plates

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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

Check gearing, replace damaged components.

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

Circlip (2) must be replaced.

Coat contact surface (3) of output shaft with approved final drive oil. See REAR AXLE - OPERATING FLUIDS .

Fig 3: Identifying Dust Plate, Circlip And Contact Surface Of Output Shaft

Courtesy of BMW OF NORTH AMERICA, INC.

After installation

Check FINAL DRIVE OIL LEVEL , correct if necessary.