BMW X1 2016–2022 — technical service bulletin
Bulletin B840324 · NHTSA communication 11009005 · issued Oct 12, 2024
Technical service bulletin
communication type
Electrical System
component
2016–2022
model years
7
vehicle entries
Official summary
The “End of life” or “Emergency call system error” Check Control message appears in the vehicle. The following fault memory entry is stored: B7F341 – Emergency battery: Hardware faulty
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.