BMW 230I 2018 — technical service bulletin
Bulletin B122018 · NHTSA communication 10145293 · issued Jun 1, 2018
Technical service bulletin
communication type
Engine
component
2018
model years
11
vehicle entries
Official summary
SERVICE ACTION: PROGRAM CONTROL UNITS (DME): The check engine light is illuminated and the vehicle may run roughly
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.