33 21 000 Removing and installing/replacing left or right output shaft (640i, 640i xDrive, 650i, 650xi)
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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
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.
Remove REAR AXLE FINAL DRIVE .
IMPORTANT:
Secure output shaft against falling out.
Do not damage dust plates (1, 2) when setting down output shaft.
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.
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 .
After installation:
- Check FINAL DRIVE OIL LEVEL , correct if necessary.