BMW i5 2023–2024 — technical service bulletin
Bulletin B520224 · NHTSA communication 11006734 · issued Aug 7, 2024
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
8
vehicle entries
Official summary
Customer states they started to receive Check Control messages for the driver’s seat at the end of eachdriving cycle: One or more of the following check control messages (CCM) were present at that time: CCM 434 Seat calibration required. CCM 108 Driver restraint system. Eventually multiple restarts after they first noticed the CCM the seat stopped functioning, the air bag warninglamp illuminated in the instrument cluster, and they received a new Check Control message: CCM 97 Restraint system. There are now 6 DTC faults stored: ACSM6 Air Bag module 930D86 - Function restraint system driver rest
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.