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April 1, 2014 Service bulletin

S63TU Engine: Noises from Leaking Exhaust Manifold

BMW technical service bulletin 110514 for 2011-2013 BMW 528I, 2011-2013 BMW 535I and 2011-2013 BMW 550I and others.

Bulletin number
110514
Component
Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
Summary
S63TU Engine: Noises from Leaking Exhaust Manifold. A rattling, knocking, clattering or hissing noise can be heard from the engine compartment while the engine is running. It is more pronounced when the engine is under load. CAUSE The exhaust manifold attaching screws have come loose, causing an exhaust leak.

Owners of these vehicles have filed 299 complaints in the engine category.

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