repaired · 2025 Q3
Electrical system: software
Risk. An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash.
2021 BMW M440iProblems, recalls & complaints
NHTSA has logged 6 owner complaints about the 2021 BMW M440i, most often about the engine. It is covered by 5 safety recalls, and for recall 23V-584 the manufacturer reports only 91% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 15, 2026. Updated daily.
Complaints by system
Where the 2021 BMW M440i has problems
6 complaints grouped by the system owners reported.
2Engine1 crash/fire/injury
1Forward collision avoidance
1Power train
1Seat belts
1Seats
1Service brakes1 crash/fire/injury
1Electrical system
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 2 | 1 |
| Forward collision avoidance | 1 | 0 |
| Power train | 1 | 0 |
| Seat belts | 1 | 0 |
| Seats | 1 | 0 |
| Service brakes | 1 | 1 |
| Electrical system | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
5 recalls
2021 BMW M440i recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2023 Q2
Seat belts
Risk. During a crash, a seat belt retractor that does not function as intended increases the risk of injury.
repaired · 2022 Q4
Side/window: head
Risk. An air bag that deploys incorrectly can increase the risk of injury in a crash.
repaired · 2023 Q1
Sensing system: camera
Risk. If the driver relies on only the rearview camera image, the missing or reduced rearview image view can increase the risk of a crash or injury.
Show 1 more recall
repaired · 2022 Q4
Electrical system: 12v/24v/48v battery
Risk. Increased electrical resistance can increase the risk of a fire.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with BMW.
Best & worst years
2021 vs. every other M440i year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the M440i median. How we score
'21'22'23'24'25
- Avoid
- Caution
- Solid
- Best
- Not rated
1 investigation
NHTSA defect investigations
Federal investigations that included the 2021 BMW M440i, and the recalls they led to.
- Pedestrian alert soundsLed to recall 22V-063
In owners' words
What M440i owners report
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
The engine starter motor system failed, specifically involving an intermittent no-start condition related to a pinion starter line break / internal component defect. The vehicle and all original mechanical components are fully intact and available for professional inspection upon request. The…
The car basically blew up on the highway at rush hour. BMW knows of this issue with this model and has some of their other models under a recall for this very thing. I have a service action from BMW saying that the water pump assembly needs to be fixed before this very problem occurs but for some…
Own a 2021 M440i?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.