BMW i4 2024 — service campaign
Bulletin B640725 · NHTSA communication 11019571 · issued Jun 6, 2025
Service campaign
communication type
Engine
component
2024
model years
1
vehicle entries
Official summary
A faulty electric auxiliary heater may have been installed in the certain vehicles. This could result in the failure of the electric auxiliary heater.
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.