Checking air springs for damage (X6 M)
NOTE:
If a vehicle has been driven with depressurized air springs, the air springs must always be replaced.
Raise vehicle.
Air spring is OK:
- when the rubber boot cannot be pressed in by hand
- when no visible damage (e.g. kinks, cracks, porous areas, etc.) is discernible
- when the rolling fold is uniform
NOTE:
If one of the above-mentioned points fails the test, then the AIR SPRING must be replaced.