37 00... Checking air springs for damage

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NOTE: If a vehicle has been driven with depressurized air springs, the air springs must always be replaced.

Checking air spring strut on rear axle:

Necessary preliminary work:

Undo AIR SPRING STRUT on wheel carrier
Do not release air spring strut in the upper wheel arch!

Air spring strut is damaged:

if pressing the lower spring strut eye moves the lower section of the spring strut (gaiter) in longitudinal direction toward the spring strut upper section (see illustration)

Fig 1: Movement Of Lower Spring Strut Eye

Courtesy of BMW OF NORTH AMERICA, INC.