BMW 320I 2015 — technical service bulletin
Bulletin B-121814 · NHTSA communication 10058489 · issued Mar 1, 2015
Technical service bulletin
communication type
Engine
component
2015
model years
1
vehicle entries
Official summary
Failed ignition coil causes misfire due to high temperature fluctuations during operations *cn
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.