BMW X5 2019–2021 — technical service bulletin
Bulletin B520520 · NHTSA communication 10181228 · issued Sep 1, 2020
Technical service bulletin
communication type
Seats
component
2019–2021
model years
8
vehicle entries
Official summary
BACKREST MISALIGNMENT OF 60/40 SECOND ROW SEAT: On vehicles equipped with the second row 60/40 split bench seats, the backrests may not properly align between the two seats.
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.