BMW 330I 2023–2025 — technical service bulletin
Bulletin B511223 · NHTSA communication 11017084 · issued Apr 15, 2025
Technical service bulletin
communication type
Structure
component
2023–2025
model years
15
vehicle entries
Official summary
A vehicle listed above may arrive with a Check Control Message (CCM), and/or malfunction indicator lamp(MIL) illuminated. After carrying out the vehicle test, one or more of the stored faults indicate that the operation of the frontbottom active air flap is obstructed or blocked.
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.