BMW 740I 2022–2023 — technical service bulletin
Bulletin B520723 · NHTSA communication 10235189 · issued Mar 1, 2023
Technical service bulletin
communication type
Seats
component
2022–2023
model years
5
vehicle entries
Official summary
The front seat heating does not heat up after vehicle departure with the climate control in the automatic mode.
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.