BMW i4 2022–2025 — service campaign
Bulletin B640925 · NHTSA communication 11022362 · issued Aug 26, 2025
Service campaign
communication type
Electrical System
component
2022–2025
model years
8
vehicle entries
Official summary
A faulty electric auxiliary heater may have been installed in the certain vehicles. This could result in thefailure of the electric auxiliary heater, utilized for the vehicle interior.
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.