31 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 31 00... INFORMATION ON REPLACING SHOCK ABSORBERS .
TROUBLESHOOTING CHART
| Fault | Cause | Remedy |
|---|---|---|
| Wheel knocking (bottoming) | Auxiliary spring faulty | Visually inspect auxiliary spring for cracking, replace auxiliary spring AWD only: Visually inspect support ring for damage |
| Shock absorber leaking (oil/gas) | Replace shock absorber | |
| Rattling noise | Shock absorber mounting loose | Tighten shock absorber |
| Support bearing faulty/hardened | Replace support bearing | |
| Shock absorber leaking (gas/oil) | Replace shock absorber | |
| Worn down areas (flattened areas) on tire profile | Shock absorber leaking (gas/oil) | 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 |
| Whistling noises | Separating skin in vent holes of auxiliary spring | Remove separating skin |