2021 Bmw 430i
The Verdict
The 2021 Bmw 430i has no owner complaints on file with NHTSA. With a Klunk Score of 100/100, it earns a "Smooth Ride" rating.
This is the cleanest year on record. Nice pick.
Klunk Score: Smooth Ride
This vehicle year has significantly fewer complaints than average. A reliable choice.
How is this calculated?
The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.
Recalls 1
Active safety recalls from NHTSA for this vehicle year.
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.
Risk
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 con...
Reported Apr 10, 2026
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Under the Hood
Each number is a complaint. Darker = bigger problem.
| Year | Brakes | Electrical | Engine | Transmission |
|---|---|---|---|---|
| 2025 | 2 | 1 | 2 | 1 |
Complaints
No complaints match your filters.