Vehicle recall 21V176000 · March 15, 2021
BMW 430i and M440i
In certain side-impact crashes, the head-thorax air bag may not deploy as intended.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- BMW of North America, LLC (BMW) is recalling certain 2021 430i and M440i 4 Series Convertible vehicles. In certain side-impact crashes, the head-thorax air bag may not deploy as intended.
- Consequence
- An air bag that deploys incorrectly can increase the risk of injury in a crash.
- Remedy
- Dealers will update the software, at no charge. All affected vehicles are still in dealer inventory, and therefore no owner letters will be mailed. The recall began March 9, 2021. Owners may contact BMW customer service at 1-800-525-7417.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Recall details
- NHTSA campaign
- 21V176000
- Reported to NHTSA
- March 15, 2021
- Filed by
- BMW of North America, LLC
- Owner notification
- March 9, 2021
- Vehicles potentially affected
- 1,850
- Initiated by
- the manufacturer
- Components
- Air bags › Side/window › Head; Air bags › Side/window › Thorax
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
Has your BMW been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A BMW dealer can also check your VIN. Recall repairs are free.