BMW X7 2024 — technical service bulletin
Bulletin B521025 · NHTSA communication 11022109 · issued Aug 19, 2025
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
The electric actuator for the third row (3SR) seat changed design and part number, and is used in productionvehicles as of March 28, 2025. There are two such actuators at this seat row, one for the left seating position; and one for the right.
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.