BMW X3 2025 — technical service bulletin
Bulletin B640525 · NHTSA communication 11022865 · issued Aug 28, 2025
Technical service bulletin
communication type
Electrical System
component
2025
model years
1
vehicle entries
Official summary
1-Customer states that the output air from one of the vehicle vent assemblies doesn’t match the desired temperature, will change temperature opposite of climate settings. 2-Customer states that the output air from one of the vehicle vent assemblies doesn’t match the desired temperature, nor change from Hot/Cold.
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.