33 10 010 Removing and installing/replacing rear differential
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
IMPORTANT:
Use only approved rear differential oils! See REAR AXLE - OPERATING FLUIDS
NOTE:
The following sequence was created using the E87 with N45 as an example. Differences in detail (e.g. due to vibration damper
) in other engines are possible.
Necessary preliminary tasks:
- Remove propeller shaft from rear differential
- Remove output shaft from rear differential at both ends, see Left and Right and tie back.
IMPORTANT:
Observe gap between special tool 33 4 420
and dust plates.
To avoid grinding noises, make sure the dust plates are not damaged (e.g. bent).
To avoid grinding noises, make sure the dust plates are not damaged (e.g. bent).
Support rear differential with workshop jack and special tool 33 4 420 .
Release screws (1).
Release nut (2) and remove screw towards rear.
Slowly lower workshop jack and remove rear differential towards rear.
IMPORTANT:
Adhere to the following installation sequence in order to prevent distortion of the rear differential during installation and thereby avoid potential complaints about noise.
Installation sequence:
- Install rear differential with workshop jack and special tool 33 4 420 .
- Insert bolts (1) (do not tighten down)
- Insert screw from rear and replace nut (2) (do not tighten down)
- Lower workshop jack
- Tighten down screws (1)
See Tightening torque 33 17 1AZ in 33 17 REAR AXLE DIFFERENTIAL MOUNTINGS .
- Tighten nut (2)
See Tightening torque 33 17 1AZ in 33 17 REAR AXLE DIFFERENTIAL MOUNTINGS .
After installation:
- Check rear differential oil level , correct if necessary.