BMW M3 2001–2003 — technical service bulletin
Bulletin 120204 · NHTSA communication 10012783 · issued Feb 1, 2006
Technical service bulletin
communication type
Electrical System
component
2001–2003
model years
5
vehicle entries
Official summary
Bremi ignition coil replacement on s54 engine. This service bulletin supersedes si120803 dated may 2004. *eh *sc
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.