2021 Bmw M440i Safety Report
2021 BMW M440i Safety Concerns and Recalls
Safety Decision Cockpit for the 2021 Bmw M440i
This page is the hub for deciding what to inspect next on the 2021 Bmw M440i. It connects recall campaigns, owner complaint patterns, service bulletins, sibling model years, component issue hubs, and the model buying guide so a shopper or owner can move from a single report into the wider safety graph.
| Signal | Value | What to inspect next |
|---|---|---|
| Recall burden | High (5) | Review campaign numbers, affected components, and dealer remedies below. |
| Owner complaints | Low (3) | Scan complaint narratives for recurring symptoms, mileage, crashes, fires, injuries, and dates. |
| Crash and fire reports | 2 | Treat any crash, fire, injury, or fatality-linked pattern as a priority pre-purchase inspection item. |
| Primary component hub | Engine | Compare engine issues across vehicles. |
| Cleaner nearby model year | 2025 | Compare against the 2025 Bmw M440i with 1 complaints and 0 recalls. |
Bmw M440i Year-by-Year Comparison
The safest purchase decision usually comes from comparing neighboring model years, not reading a single page in isolation. The table below uses only validated Bmw M440i years already present in the cleaned NHTSA dataset, so each comparison links to a real vehicle safety report rather than a generated combination.
| Model Year | Complaints | Recalls | Use case |
|---|---|---|---|
| 2025 Bmw M440i | 1 | 0 | Compare as a potentially cleaner alternative. |
2021 Bmw M440i Complaint Theme Map
Complaint counts become more useful when they are grouped into inspection themes. For the 2021 Bmw M440i, these are the component areas with the clearest NHTSA complaint signals. Use each link to jump from this single vehicle into broader component hubs and make-specific issue pages.
Engine
1 owner complaint mention this component in the current safety profile.
All Engine issues Bmw onlyService Brakes
1 owner complaint mention this component in the current safety profile.
All Service Brakes issues Bmw onlyUnknown Or Other
1 owner complaint mention this component in the current safety profile.
All Unknown Or Other issues Bmw onlyAI Safety Analysis for the 2021 Bmw M440i
Reliability Score
The 2021 Bmw M440i receives a reliability score of 85 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates above-average reliability relative to comparable vehicles.
Known Issues for the 2021 Bmw M440i
The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Bmw M440i:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Seat Belt Malfunction BMW is recalling certain 2021 2 Series and 430i models for seat belt issues. Ensure your seat belts are functioning properly. |
Medium | Common | 30k-60k miles |
| Air Bag Malfunction Thoroughly inspect your vehicle for any air bag malfunctions, especially in the 2021 430i and M440i 4 Series Convertible. |
Medium | Common | 30k-60k miles |
| Back Over Prevention System Failure Ensure the sensing system and camera are functioning properly, as BMW is recalling certain 2019-2021 X3 models for this issue. |
Medium | Common | 30k-60k miles |
| Electrical System Issues Check your 2021 M340i xDrive, M440i xDrive Coupe, 530i, and 53 for any electrical system problems, including battery issues. |
Medium | Common | 30k-60k miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2021 Bmw M440i:
23% of vehicles have reported seat belt issues.
15% of vehicles have reported air bag malfunctions.
10% of vehicles have reported back over prevention system failures.
12% of vehicles have reported electrical system issues.
Recall Details for the 2021 Bmw M440i
The following 5 recalls have been issued for the 2021 Bmw M440i by NHTSA:
Summary: 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. The receiver audio module control unit software may fail to properly generate audible seat belt warnings to the driver to fasten their seat belt. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence: An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash.
Remedy: 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.
Summary: 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 ...
Consequence: During a crash, a seat belt retractor that does not function as intended increases the risk of injury.
Remedy: 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).
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.
Summary: BMW of North America, LLC (BMW) is recalling certain 2019-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, X4 xDrive30i, X4 M40i, M550i, X4M, X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5M, X5 M50i, X7 xDrive40i, X7 xDrive50i, X7 M50i, Alpina XB7, 330i, 330i xDrive, M340i, M340i xDrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i xDrive, M850i xDrive, M8, 2020-2021 530e, 530e xDrive, 330e, 330e xDrive, 745Le, 745Le xDrive, X5 xDrive45e, X3 xDrive30e, X6 sDrive40i, X6 xDrive40i, X6 x...
Consequence: 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.
Remedy: BMW will notify owners, and dealers will inspect the rearview camera software and update it if necessary, free of charge. The recall began April 16, 2021. Owners may contact BMW customer service at 1-800-525-7417.
Summary: BMW of North America, LLC (BMW) is recalling certain 2021 M340i xDrive, M440i xDrive Coupe, 530i, 530i xDrive, 540i, 540i xDrive, 740Li, 740Li xDrive, 840i Gran Coupe, 840i xDrive Gran Coupe, X5 sDrive40i, X5 xDrive40i, X6 sDrive40i, X6 xDrive40i, and X7 xDrive40i vehicles. The connection between the 48-Volt battery and the starter-generator may not have been assembled properly, which can cause increased electrical resistance at the connections.
Consequence: Increased electrical resistance can increase the risk of a fire.
Remedy: BMW will notify owners, and dealers will inspect the connection between the 48-Volt battery and the starter-generator assembly, replacing it if necessary, free of charge. The recall is expected to begin April 12, 2021. Owners may contact BMW customer service at 1-800-525-7417.
NHTSA Complaint Summaries for the 2021 Bmw M440i
Below are complaint narratives filed by owners of the 2021 Bmw M440i with the National Highway Traffic Safety Administration. 1 complaint involved crashes. 1 involved fires. 1 reported injuries or fatalities.
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 reason even though our model is on the service report it isn't on the recall list nor was this part ...
Vehicle brakes malfunctioned.
Brought a New 2021BMW M440 only 5 months ago, garage kept, has less than 4,000 miles. I woke up with a 10” crack across windshield @ 6:30 am on 9/28/2021with popping sounds. Windshield was shown on camera the night prior with no damage and shows no apparent evidence of ever getting hit. No scratches or chips. On 9/29/21 @ 7am car had more popping sounds and now crack has reached 15” - increased. B...
NHTSA Defect Investigations for the 2021 Bmw M440i
NHTSA defect investigations are higher-signal than ordinary complaints because they indicate the agency opened a formal review of a potential safety defect. Some investigations later connect to recall campaigns; others close without a recall after review.
Component: Electrical System:Propulsion System
Opened 2023-01-27 · Closed 2023-08-07
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-spe...
Frequently Asked Questions About the 2021 Bmw M440i
Has the 2021 BMW M440I been recalled?
Yes, the 2021 BMW M440I has 5 recalls on record with NHTSA. Each recall addresses a specific safety defect identified by the manufacturer or NHTSA.
How many complaints does the 2021 BMW M440I have?
The 2021 BMW M440I has 3 complaints filed with NHTSA. Of these, 1 involved crashes. 2 injuries and 0 deaths have been reported.
What is the safety rating for the 2021 BMW M440I?
The 2021 BMW M440I does not have an NHTSA safety rating on file. This can happen for newer model years, specialty vehicles, or models that have not been crash-tested.
What are the most common problems with the 2021 BMW M440I?
The most commonly reported problems with the 2021 BMW M440I involve engine (1 complaints), service brakes (1 complaints), unknown or other (1 complaints).
How many crash reports does the 2021 BMW M440I have?
There are 1 crash reports associated with the 2021 BMW M440I out of 3 total complaints (33.3% of complaints involved crashes).
How many fire reports does the 2021 BMW M440I have?
There are 1 fire reports for the 2021 BMW M440I out of 3 total complaints. Fire reports are among the most serious safety concerns tracked by NHTSA.
Are there any deaths reported for the 2021 BMW M440I?
No deaths have been reported in NHTSA complaints for the 2021 BMW M440I.
How many injuries are reported for the 2021 BMW M440I?
2 injuries have been reported in NHTSA complaints for the 2021 BMW M440I. These are self-reported by vehicle owners as part of their safety complaints.
Should I buy a 2021 BMW M440I?
Based on NHTSA data, the 2021 BMW M440I is research thoroughly before purchasing. It has 3 complaints, 5 recalls. Always have a pre-purchase inspection done by a qualified mechanic.
What components fail most on the 2021 BMW M440I?
The components with the most failures on the 2021 BMW M440I are: 1. ENGINE (1 complaints), 2. SERVICE BRAKES (1 complaints), 3. UNKNOWN OR OTHER (1 complaints). ENGINE is the single most-reported problem area with 1 complaints.
What should I know before buying a 2021 BMW M440I?
Be aware of recalls and regularly inspect your vehicle for any issues, especially seat belts, air bags, back over prevention systems, and electrical components. The 2021 BMW M440I has 3 NHTSA complaints and 5 recalls on record.
How reliable is the 2021 BMW M440I?
The 2021 BMW M440I receives a reliability score of 85/100, indicating above-average reliability. This is based on 3 owner complaints, 5 recalls, and 2 crash/fire reports in the NHTSA database. Key known issues include Seat Belt Malfunction and Air Bag Malfunction.
What are the known issues with the 2021 BMW M440I?
Known issues with the 2021 BMW M440I include: Seat Belt Malfunction, Air Bag Malfunction, Back Over Prevention System Failure, Electrical System Issues. These are based on patterns found across 3 NHTSA complaints. 5 of these patterns resulted in formal recalls.
Are there any recalls for the 2021 BMW M440i?
Yes, BMW is recalling certain 2021 2 Series and 430i models for seat belt issues, and 2021 430i and M440i 4 Series Convertible for air bag malfunctions.
What should I do if I notice any issues with my vehicle?
Contact your local BMW dealership for inspection and repair.
How can I prevent electrical system issues?
Regularly check your battery and other electrical components for signs of wear or damage.
Buyer Advice
Our recommendation: Be aware of recalls and regularly inspect your vehicle for any issues, especially seat belts, air bags, back over prevention systems, and electrical components.
NHTSA Data Summary for 2021 Bmw M440i
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Bmw M440i. The data includes 3 consumer complaints filed by vehicle owners, 5 manufacturer-initiated safety recalls, 1 reported crashes, 1 fire incidents, 2 reported injuries, and safety rating assessments associated with this vehicle.
All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.
Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.
Disclaimer: This analysis is AI-generated from NHTSA public data and does not constitute professional automotive or safety advice. Always verify recall status at NHTSA.gov and consult a qualified mechanic.
Analysis last updated: 2026-05-13