33 21 000 Removing and installing/replacing left or right output shaft (on 2-flow exhaust system)

Remove REAR WHEEL .

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

Installation note: 

Lightly oil the gearing at the shaft journal.

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

Tightening torque 33 41 1AZ .

Replace collar nut (1) by positive peening at flat areas of output shaft.

• Remove trailing link (on rear axle). (E91/E93)
• Remove EXHAUST SYSTEM . (E90/E91/E92/E93)
• Remove rear silencer. (M3)

Release bolts and remove with shims (1).

Tightening torque 33 21 1AZ .

Press output shaft off drive flange using a suitable tool; if necessary, raise wheel carrier with workshop jack approx. 20 mm.

Installation note: 

Before installing output shaft, make sure that drive flange is fully engaged in rear axle final drive.

Replace bolts and shims (1).

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

After installation: 

• Check that output shaft is correctly seated in rear axle final drive.

Applies only to all-wheel drive vehicles:

Replacement only:

• With BMW diagnosis and information system under
  • Control unit functions

    Perform function check of transfer box (calibration)