BMW 3 Series 2004 — technical service bulletin
Bulletin 1220405 · NHTSA communication 10012787 · issued Feb 11, 2005
Technical service bulletin
communication type
Electrical System
component
2004
model years
2
vehicle entries
Official summary
Check engine lamp illuminated intake and ambient temperature faults stored in dme. *eh
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.