BMW 528I 2011–2013 — technical service bulletin
Bulletin 110514 · NHTSA communication 10148251 · issued Apr 1, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2013
model years
14
vehicle entries
Official 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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.