BMW 528I 1997–1999 — technical service bulletin
Bulletin B122817 · NHTSA communication 10142928 · issued Dec 1, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997–1999
model years
16
vehicle entries
Official summary
SERVICE ACTION: PROGRAM DME (FOR O2 SENSORS): Due to DME software error, the following oxygen sensors plausibility fault codes may be stored in DME 5.2.1 control module:
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.