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

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. 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 INFORMATIONS for raising the vehicle

Necessary preliminary tasks:

Remove REAR WHEEL .

If necessary, remove visual protection cap (1).

Fig 1: Removing Visual Protection Cap From Rear Axle Final Drive

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

Remove collar nut (1); engage parking brake to do so.

Tightening torque 33 41 1AZ .

Installation note:

Lightly oil the gearing at the 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 2: Locating Collar Nut

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Remove REAR AXLE FINAL DRIVE .

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

Fig 3: Identifying Output Shaft Dust Plate

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

Installation note:

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

Check gearing and replace components if damaged.

Fig 4: Identifying Dust Plate, Circlip And Output Shaft Contact Surface

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

If the previous output shaft is reinstalled, circlip (2) must be renewed.

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

After installation:

Check TRANSMISSION OIL LEVEL , correct if necessary.