BMW X1 2023–2024 — technical service bulletin
Bulletin B640123 · NHTSA communication 10248090 · issued Dec 21, 2023
Technical service bulletin
communication type
Visibility
component
2023–2024
model years
2
vehicle entries
Official summary
The windshield may mist over when it is raining while driving in Eco Pro mode At an outside temperature between 50 F and 55 F, the seat heating remains cold despite thepre-temperature setting The customer may report one or both concerns.
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.