BMW 530I 2023–2024 — technical service bulletin
Bulletin B640424 · NHTSA communication 10252041 · issued Mar 8, 2024
Technical service bulletin
communication type
Equipment
component
2023–2024
model years
7
vehicle entries
Official summary
1. The center air vent on the left (a) is closed. All other air vents on the left side then only blow cold air intothe passenger area. OR 2. Both center (b) air vents are closed. All other air vents then only blow cold air into the passenger area. OR 3. The center air vent on the right (c) is closed. All other air vents on the right side then only blow cold airinto the passenger area.
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.