33 90 ... Troubleshooting rear differential

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

In order to troubleshoot "Noises/leaks on rear differential", it is necessary to work through the fault diagnosis tree using the BMW Diagnosis and Information System.

See BMW Diagnosis and Information System under:

Fault pattern selection
- 331001 Noises rear differential
- 331002 Leaks rear differential
Service functions
- Complete vehicle
- Drive
- Mechanics
- Noises/ leaks