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May 1, 2016 Service bulletin

Replace Left Rear Air Spring

BMW technical service bulletin B370115 for 2013-2017 BMW 535I, 2013-2017 BMW 550I and 2010-2012 BMW 550i Gran Turismo and others.

Bulletin number
B370115
Component
Suspension: front: springs: air suspension system
Summary
Service Action: Replace Left Rear Air Spring. Torsional stress can cause the threaded fabric of the left air spring bellow to rupture and lose its airtightness. If the air spring is not airtight, the vehicle will lean on one side.

Owners of these vehicles have filed 9 complaints in the suspension category.

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