00 00... Changing differential oil
WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.
Change oil with rear axle differential at normal operating temperature. Final drive oil, refer to Service Information Operating Fluids. For filling quantity is 1.4 liter.
Unscrew drain plug (2), clean and reinstall.
Unscrew the filler screw plug (1).
Pour in differential oil until overflowing. Install filler screw plug (1).
Installation:
Tightening to specifications.