33 90... Rear axle troubleshooting
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.
Observe troubleshooting for shock absorbers .
REAR AXLE TROUBLESHOOTING CHART
| Fault | Cause | Remedy |
|---|---|---|
| Grinding noise (only when cornering) | Refer to TROUBLESHOOTING BRAKE SYSTEM | |
| Wheel bearings faulty | Replace wheel bearings | |
| Vibration (90 - 160 km/h) | Wheel imbalance | Balance wheels |
| Radial/lateral rim runout | Check rims , replace if necessary | |
| Radial tyre runout | Match or replace tyres | |
| Imbalance in output shaft | Replace output shaft | |
| Drumming | Rubber mount on rear axle differential suspension defective | Replace rubber mount |
| Rubber mount of rear axle carrier faulty | Replace rubber mount | |
| Rattling noise | Refer to 33 90... Troubleshooting shock absorber . | |
| Stabilizer link loose or defective | Check screw connection, replace stabilizer link if necessary | |
| Rubber mount of rear axle carrier loose or faulty | Check seat, replace rubber mount if necessary | |
| Poor straight-running stability (steering wheel inclination) | Refer to BMW diagnosis system computer | |
| Unsteady taking of curves due to self-steering or poor rear end track stability | ||
| Excessive tyre wear | ||