BMW X3 2024 — technical service bulletin
Bulletin B320325 · NHTSA communication 11015552 · issued Mar 10, 2025
Technical service bulletin
communication type
Electrical System
component
2024
model years
2
vehicle entries
Official summary
Customer states that the steering wheel heating is inoperative. Fault code “30490 Missing LIN slave” is stored in Body Domain Controller.
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.