BMW X7 2023–2024 — technical service bulletin
Bulletin B521423 · NHTSA communication 10244505 · issued Oct 25, 2023
Technical service bulletin
communication type
Seats
component
2023–2024
model years
2
vehicle entries
Official summary
A change in Bowden cable routing is observed in the third seat row backrest. Replacement Bowden cables are shorter than original parts.
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.