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ProblemsByVinFile / 2021-BMW-M440INHTSA data synced 6 days ago
BMW
2021 BMW M440i problems
The 2021 BMW M440i has 5 active recall campaigns on file and only 4 owner complaints in the NHTSA database. Often that means the recall caught it before the field did.
The 2021 BMW M440i has 4 NHTSA owner complaints and 5 recalls on file (U.S. federal records, as of September 2026). Source: NHTSA Office of Defects Investigation.
Limited NHTSA data — only 4 complaints on file. The score reflects what's reported, but a small sample skews easily. 5 active recalls on file.
0
Critical
5
Severe
0
Moderate
Should you avoid this 2021 M440i?
Not enough data for a verdict
Only 4 NHTSA complaints on file — too few for a confident call. The 5 active recalls above remain authoritative; read those first.
Our read of the federal NHTSA complaint and recall record for this exact year and model —
not a substitute for a pre-purchase inspection. How we score.
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What owners are saying
recent NHTSA-filed complaints · verbatim
2021 M440i· seatbelts
I am seeing a lot of concerns regarding the seatbelt extenders, the buckle end pretensioner, seat wiring harness and the yellow box connectors that are where the main power and air bag SRS connections sit under the drivers seat. The seat harnesses are catching in the sliding…
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…
Had a problem with your 2021 BMW M440i?
File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.
BMW of North America, LLC (BMW) is recalling certain 2019-2022 330i, 330i xDrive, M340i, 2022 430i Coupe, 2021-2022 430i, M440i Convertible, and 2020-2022 228i xDrive Gran Coupe vehicles
An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash.
Fix: Dealers will update the receiver audio module software, free of charge. Owner notification letters were mailed October 12, 2023. Owners may contact BMW customer service at 1-800-525-7417.
BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive, M235i xDrive), M2 Competition Coupe, 330i, 330i xDrive, M340i, M340i xDrive, M3, M3 Competition, 530i, 530i xDrive, 540i, 540i xDrive, MINI Hardtop 2 Door (Cooper, CooperS, JCW), X2 sDrive28i, X2 xDrive28i, X2 M35i, Z4 sDrive30i, Z4 M40i, MINI Hardtop 2 Door (Cooper SE), MINI Convertible (Cooper, Cooper S, JCW), MINI Clubman (Cooper S, Cooper S All4, JCW), MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), Rolls Royce Ghost, MINI Countryman (Cooper S E All4), Rolls Royce Phantom, Rolls Royce Cullinan, and Toyota Supra vehicles
During a crash, a seat belt retractor that does not function as intended increases the risk of injury.
Fix: Dealers will inspect the seat belt retractors (including the seat belts) and, if necessary, replace the retractors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact BMW customer service at 1-800-525-7417; 1-866-825-1525 (MINI); 1-877-877-3735 (Rolls Royce); and 1-888-270-9371 (Toyota).
BMW of North America, LLC (BMW) is recalling certain 2021 430i and M440i 4 Series Convertible vehicles
An air bag that deploys incorrectly can increase the risk of injury in a crash.
Fix: 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.
Limited NHTSA data. Only 4 owner complaints have been filed for the 2021 BMW M440i, which is not enough for a meaningful reliability score. Active recalls (if any) are listed on this page and remain authoritative — those are verified defects regardless of complaint volume. For a confident reliability read we look for at least 10 owner complaints in the federal database.
Should you avoid the 2021 BMW M440i?
Only 4 NHTSA complaints on file — too few for a confident call. The 5 active recalls above remain authoritative; read those first. We don't issue a buy/avoid verdict on the 2021 BMW M440i without a meaningful complaint sample — doing so off a handful of filings would be guesswork.
What should I check before buying a used 2021 BMW M440i?
There isn't enough NHTSA complaint data on the 2021 BMW M440i to flag a standout failure pattern. Run the VIN for open recalls — those are free to fix regardless of warranty — get a standard pre-purchase inspection, and ask the seller for service records.
Is the 2021 BMW M440i a good used car to buy?
Hard to say from federal data alone — only 4 owner complaints have been filed. Lean on the recall list above, a pre-purchase inspection, and a vehicle-history report on the specific VIN. Our data tells you what the model is known for; a history report tells you what that exact car has been through.
What's the most common problem on the 2021 BMW M440i?
No problem area has crossed our reporting threshold yet, which is a good sign for this vehicle.
What's the most expensive thing that goes wrong?
Major repair items haven't been flagged often enough on this vehicle to single one out.
How do I check if my BMW M440i has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2021 BMW M440i?
Hard to say from NHTSA data alone with only 4 complaints on file. A quality service contract runs $1,800–3,500 over 3 years. The decision comes down to your specific situation: vehicle cost, miles on it, how long you plan to keep it, and whether you can absorb a $3K–$8K repair without straining cashflow. With limited public data on this vehicle, lean on the recall list above and check owner forums before committing.
Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database, last synced 6 days ago. Verify the raw federal record at
nhtsa.gov/vehicle/2021/BMW/M440i.
Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics.
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