33 90... Troubleshooting shock absorber
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.
Read and comply with Information on replacing shock absorbers .
SHOCK ABSORBER TROUBLESHOOTING CHART
| Fault | Cause | Remedy |
|---|---|---|
| Wheel knocking (bottoming) | Auxiliary damper faulty | Visually inspect auxiliary dampers for cracking, replace auxiliary dampers |
| Shock absorber leaking (oil/gas) | Replace shock absorber | |
| Rattling noise | Shock absorber mounting loose | Tighten shock absorber |
| Support bearing loose | Secure support bearing | |
| Support bearing defective (cracked) | Visually inspect for cracking, replace support bearing | |
| Protective tube defective/failed | Visually inspect protective tube for cracking, replace protective tube | |
| Rubber mount/joint eye for lower shock absorber mounting defective | Replace rubber mount/joint eye | |
| Shock absorber leaking (oil/gas) | Replace shock absorber | |
| Worn down areas (flattened areas) on tyre profile | Shock absorber leaking (oil/gas) | Replace shock absorber |
| Long after-swinging of body after driving over rough road | Shock absorber leaking (insufficient shock absorber effect) | Replace shock absorber |
| Building-up of body in case of successive uneven surfaces | Shock absorber leaking (insufficient shock absorber effect) | Replace shock absorber |
| Wheels jumping even on normal road surfaces | Shock absorber leaking (insufficient shock absorber effect) | Replace shock absorber |