33 90 ... Troubleshooting Shock Absorber
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 335xi, 2008 BMW 328xi, 2007 BMW 335xi, 2007 BMW 328xi, and 2006 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
Read and comply with Information on replacing shock absorbers. See 33 00 ... INFORMATION ON REPLACING SHOCK ABSORBERS
SHOCK ABSORBER TROUBLESHOOTING TABLE
| Fault | Cause | Remedy |
|---|---|---|
| Wheel knocking (bottoming) | Auxiliary spring faulty | Visually inspect auxiliary spring for cracking, replace auxiliary spring. See 33 52 000 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT SHOCK ABSORBER |
| Shock absorber leaking (oil/gas) | Replace shock absorber. See 33 52 000 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT SHOCK ABSORBER | |
| Rattling noise | Shock absorber mounting loose | Tighten shock absorber. See 33 52 000 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT SHOCK ABSORBER |
| Support bearing loose | Secure support bearing. See 33 52 SHOCK ABSORBERS | |
| Support bearing defective (cracked) | Visually inspect for cracking, replace support bearing. See 33 52 161 REPLACING THRUST BEARING (LOWER SECTION) FOR REAR LEFT OR RIGHT SPRING STRUT/SHOCK ABSORBER | |
| 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. See 33 52 031 REPLACING REAR LEFT OR RIGHT RUBBER MOUNT FOR SHOCK ABSORBER MOUNTING | |
| Shock absorber leaking (oil/gas) | Replace shock absorber. See 33 52 000 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT SHOCK ABSORBER | |
| Worn down areas (flattened areas) on tire profile | Shock absorber leaking (gas/oil) | Replace shock absorber. See 33 52 000 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT SHOCK ABSORBER |
| Long after-swinging of body after driving over rough road | Shock absorber leaking (insufficient shock absorber effect) | Replace shock absorber. See 33 52 000 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT SHOCK ABSORBER |
| Building-up of body in case of successive uneven surfaces | Shock absorber leaking (insufficient shock absorber effect) | Replace shock absorber. See 33 52 000 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT SHOCK ABSORBER |
| Wheels jumping even on normal road surfaces | Shock absorber leaking (insufficient shock absorber effect) | Replace shock absorber. See 33 52 000 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT SHOCK ABSORBER |