BMW 3 Series 2007–2011 — technical service bulletin
Bulletin SIB-11-13-07 · NHTSA communication 10037657 · issued Jun 1, 2012
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007–2011
model years
9
vehicle entries
Official summary
Bmw: there is a clanking noise from the engine or exhaust area. Wastegate valve is not completely closing and clanking. *rm updated 7/17/12. *pe
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.