BMW 230I 2020 — warranty extension
Bulletin B511223 · NHTSA communication 11020911 · issued Jul 2, 2025
Warranty extension
communication type
Structure
component
2020
model years
6
vehicle entries
Official summary
After carrying out the vehicle test, one or more of the stored faults indicate that the operation of the front bottom active air flap is obstructed or blocked.
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.