BMW 3 Series 2007–2010 — technical service bulletin
Bulletin SIB-12-24-05 · NHTSA communication 10037489 · issued Nov 1, 2010
Technical service bulletin
communication type
Electrical System
component
2007–2010
model years
4
vehicle entries
Official summary
Bmw: the service engine soon light may be on with the vehicle running rough and internal misfire codes. This is an ignition coil problem. *rm
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.