BMW 330I 2019–2021 — warranty extension
Bulletin B720225 · NHTSA communication 11017100 · issued Apr 9, 2025
Warranty extension
communication type
Air Bags
component
2019–2021
model years
7
vehicle entries
Official summary
The Supplemental Restraint Systems (SRS) Front Passenger’s Seat Occupancy Capacitive Interior Sensor (CIS) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in-service / first delivery date.
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.