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

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. 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.

Fig 1: Releasing Collar Nut
G08504930Courtesy of BMW OF NORTH AMERICA, INC.

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

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 center of vehicle.

Fig 2: Identifying Dust Plates
G08504931Courtesy 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 .

Fig 3: Identifying Dust Plate, Circlip And Contact Surface Of Output Shaft
G08504932Courtesy of BMW OF NORTH AMERICA, INC.
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