BMW 230I 2025 — warranty extension
Bulletin B120326 · NHTSA communication 11034449 · issued Jun 19, 2026
Warranty extension
communication type
Electrical System
component
2025
model years
11
vehicle entries
Official summary
Due to an implementation error in various OBD diagnostics in the vehicle's control units, in very rare cases itmay happen that stored fault memory codes (DTCs) and the MIL (warning light) are not automaticallydeleted even though the underlying malfunction has already been rectified. This does not comply with the statutory OBD specifications.
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.