33 90... Troubleshooting rear differential
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. 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.
- Fault pattern selection
- -> 331001 Noises rear differential
- -> 331002 Leaks rear differential
- Service functions
- -> Complete vehicle
- -> Drive
- -> Mechanics
- -> Noises/leaks