BMW E38 1999–2000 — technical service bulletin
Bulletin 120903 · NHTSA communication 10004531 · issued Oct 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999–2000
model years
5
vehicle entries
Official summary
A potential problem that could affect the durability of air mass meter of certain bmws equipped with the 4.4l engine. Vehicles affected will have an illuminated check engine light and an air mass meter signal plausibility fault fc 73 stored in the engine control module (ecm/dme). Bmw will extend the warranty of the air mass meter from 4 years or 50,000 miles to 7 years or 70,000 miles. *tt
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.