BMW i4 2024 — technical service bulletin
Bulletin B640225 · NHTSA communication 11014666 · issued Feb 28, 2025
Technical service bulletin
communication type
Structure
component
2024
model years
1
vehicle entries
Official summary
The customer states that when the AC system is on, there is a vibrating noise heard from within theinstrument panel. The noise is intermittent. The noise can be heard better outside the vehicle with the hood open.
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.