BMW 230I 2025 — technical service bulletin
Bulletin B120326 · NHTSA communication 11030305 · issued Mar 19, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2025
model years
11
vehicle entries
Official summary
Program control units (obd)
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.