Safety belt warning gong sounds after unbuckling while vehicle is stationary.
BMW technical service bulletin B720220 for 2016-2020 BMW X1, 2014-2020 BMW I3 and 2016-2017 BMW X1 SAV and others.
- Bulletin number
- B720220
- Component
- Seat belts
- Summary
- SAFETY BELT WARNING GONG SOUNDS AFTER UNBUCKLING WHILE VEHICLE IS STATIONARY. After a vehicle has been programmed to an I-level greater than 19-11-5xx and lower than I-level 20-03-530; the safety belt (aka seat belt) acoustic warning sounds when in Park (engine running) and the safety belt is unbuckled. The chime/gong lasts for up to 1 minute 40 seconds. The customer only expects the acoustic warning when the vehicle is moving and the safety belt is not buckled. The acoustic warning can occur when the seat is occupied and the safety belt buckle is opened on the driver's or passenger's side. Software in the ACSM4 Control Unit.
Owners of these vehicles have filed 18 complaints in the seat belts category.
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