BMW 1 Series 2009–2010 — technical service bulletin
Bulletin SIB-52-12-10 · NHTSA communication 10037915 · issued Dec 1, 2010
Technical service bulletin
communication type
Seats
component
2009–2010
model years
4
vehicle entries
Official summary
Bmw: the front seat heater activates on its own because of defective wiring contacts. *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.