BMW X1 2024–2026 — technical service bulletin
Bulletin B521225 · NHTSA communication 11023249 · issued Sep 18, 2025
Technical service bulletin
communication type
Seats
component
2024–2026
model years
6
vehicle entries
Official summary
A clicking noise can be heard from one or both front seat backrests. This noise is heard when leaning against the backrest of the seat or while the vehicle is cornering.
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.