BMW 530I 2021–2024 — technical service bulletin
Bulletin B520224 · NHTSA communication 10252015 · issued Mar 22, 2024
Technical service bulletin
communication type
Seats
component
2021–2024
model years
8
vehicle entries
Official summary
The seat initialization and memory has been lost; Or Repeat failure of seat initialization after completing the test module via ISTA. One or both of the following check control messages (CCM) may be present: CCM 108 â  Driver restraint systemâ  CCM 109 â  Passenger restraint systemâ Â
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.