BMW X7 2019–2022 — technical service bulletin
Bulletin B841222 · NHTSA communication 10228441 · issued Nov 1, 2022
Technical service bulletin
communication type
Equipment
component
2019–2022
model years
4
vehicle entries
Official summary
The modem of the personal eSIM in the TCU (WAVE-01) cannot connect to the 4G or 5G Mobile Network.
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.