BMW 328I 1997 — technical service bulletin
Bulletin 12 10 97 · NHTSA communication 53954 · issued Dec 1, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997
model years
4
vehicle entries
Official summary
Oxygen sensor faults. *ak
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.