Recalls (10)
NHTSA lists 10 recall campaigns for the 2020 BMW M340i. Check whether yours was repaired with NHTSA's free VIN lookup ↗
Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.
Check on NHTSA ↗Starter Motor May Fail and Overheat
- Summary
- BMW of North America, LLC is recalling certain 2019-2020 X5, X7, 2020 3 Series Sedan, X6, 2020-2021 7 Series Sedan, 2020 8 Series Convertible, 8 Series Coupe, and 2020 8 Series Gran Coupe vehicles. Please see the recall report for the complete list of models. In the event the starter motor fails, repeated attempts to start the vehicle can cause the starter motor to overheat from an electrical overload.
- Consequence
- A starter motor that overheats can ignite nearby combustible material in the engine compartment, increasing the risk of a fire.
- Remedy
- Dealers will update the vehicle software, free of charge. Owner notification letters were mailed September 27, 2024. Owners may contact BMW customer service at 1-800-525-7417.
Seat Belt Audio Chime Malfunction/FMVSS 208
- 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.
Front Seats Not Properly Welded
- Summary
- BMW of North America, LLC (BMW) is recalling certain 2019-2021 330i, 330i xDrive, M340i xDrive, 2020-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, 2021 X3 xDrive30e, X4 xDrive30i, and X4M vehicles. The seat frame may not have been welded properly to the seat rails.
- Consequence
- An improperly welded seat frame may not properly restrain the occupant during a crash, increasing the risk of injury.
- Remedy
- Dealers will replace the seat frame and back rest, free of charge. Owner notification letters were mailed May 22, 2023. Owners may contact BMW customer service at 1-800-525-7417.
Loss of Braking Assist
- Summary
- BMW of North America, LLC (BMW) is recalling certain 2020 M340i, M340i xDrive, 540i, 540i xDrive, X3 M40i, 2020-2021 X4 M40i, 745Le xDrive, 2019-2021 Z4 M40i, and 2020-2021 Toyota Supra vehicles. During engine start, the engine management software may cause loss of braking assist. Full mechanical braking (without assist) remains available.
- Consequence
- Loss of braking assist can increase the risk of a crash.
- Remedy
- Dealers will update the engine management software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact BMW customer service at 1-800-525-7417.
Rearview Camera Image Malfunction/FMVSS 111
- 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 xDrive50i, X6 M50i, X6M, 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 740i, 740Li, 740Li xDrive, M760i Drive, M760Li xDrive, 750Li xDrive Alpina, Alpina B7 xDrive, and 2021 4 Series Coupe 430i, 430i xDrive, M440i xDrive vehicles. When shifting into Reverse, a small portion of the rearview image may be obscured, or the screen may not illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
- 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.
Steering Gear Tie Rods May Become Damaged
- Summary
- BMW of North America, LLC (BMW) is recalling certain 2019 Z4 sDrive30i, 2019-2020 330i xDrive, M340i and M340i xDrive, 2020 X3M and X4M, and Toyota Supra vehicles. In certain driving conditions, such as high temperatures and rough road surfaces, a steering gear tie rod may become damaged, possibly resulting in a fractured tie rod.
- Consequence
- A damaged or fractured tie rod may affect vehicle handling and control, increasing the risk of a crash.
- Remedy
- BMW and Toyota will notify owners, and dealers will replace the steering gear tie rods, free of charge. The recall began August 14, 2020. Owners may contact BMW customer service at 1-800-525-7417 or Toyota customer service at 1-888-270-9371.
Seat Belt Sensors May Not Detect Belted Condition
- Summary
- BMW of North America, LLC (BMW) is recalling certain 2020 X3 xDrive30e, X4 xDrive30i, X4 M40i, X4M, 330i, 330i xDrive, M340i, 840i Gran Coupe, 840i xDrive Gran Coupe, M850i xDrive Gran Coupe, M8 Gran Coupe, X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, and 840i xDrive Convertible vehicles. The sensors in the front seat belt buckles may inaccurately detect a belted occupant as unbelted, possibly causing the air bag and seat belt pretensioners to deploy improperly in the event of a crash.
- Consequence
- If the air bag and/or seat belt pretensioners deploy improperly in the event of a crash, there is an increased risk of injury to the driver and front passenger.
- Remedy
- BMW will notify owners, and dealers will inspect and replace the front seat belt buckles, as necessary, free of charge. The recall began May 18, 2020. Owners may contact BMW customer service at 1-800-525-7417.
Improperly Installed Interior Trunk Release Cable
- Summary
- BMW of North America, LLC (BMW) is recalling certain 2020 330i, 330i xDrive and M340i vehicles. The interior trunk release cable may have been improperly installed, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 401, "Internal Trunk Release."
- Consequence
- If a person were inside the trunk compartment, they may not be able to get out, increasing their risk of injury.
- Remedy
- BMW will notify owners, and dealers will inspect the interior trunk release cable and properly install the cable, as necessary, free of charge. The recall began December 13, 2019. Owners may contact BMW customer service at 1-800-525-7417.
No Back-Up Camera Display Image/FMVSS 111
- Summary
- BMW of North America, LLC (BMW) is recalling certain 2018 540d, 2018-2020 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 530e, 530e xDrive, X3 sDrive, X3 xDrive, X3 M40i, X3 M, and 2019-2020 X4 xDrive, X4 M40i, X4 M, X7 xDrive, X7 M50i, 740Li, 740Li xDrive, 750Li, 750Li xDrive, 8 Series Convertible and Coupe 840i, 840i xDrive, M850i xDrive, X5 sDrive, X5 xDrive, X5 M50i, X6 xDrive, X6 M50i, 330i, 330i xDrive, M340i, M340i xDrive, Z4 sDrive, Z4 M40i, 740Le xDrive and 745Le xDrive, 2018-2019 640i xDrive Gran Turismo and Rolls-Royce Phantom, 2019 M850i xDrive Gran Coupe and Rolls-Royce Cullinan and 2020 Toyota Supra vehicles. The back-up camera and display settings can be adjusted such that the rear view image is no longer visible and the system will retain that setting the next time the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."
- Consequence
- The lack of an image in the back-up camera display increases the risk of a crash.
- Remedy
- BMW will notify owners, and dealers will update the back-up camera software, free of charge. The recall began November 8, 2019. Owners may contact BMW customer service at 1-800-525-7417 or Rolls-Royce at 1-877-877-3735. Toyota owners may contact Toyota customer service at 1-888-270-9371.
Rear Center Headrest may Fold in a Crash
- Summary
- BMW of North America, LLC (BMW) is recalling one 2020 M340i and one M340i xDrive vehicle. Due to improper welding, the rear center headrest may fold in the event of a rear impact crash.
- Consequence
- If the headrest folds down in a crash, there would be an increased risk of injury.
- Remedy
- BMW will notify owners, and dealers will replace the rear center headrest, free of charge. The recall began August 28, 2019. Owners may contact BMW customer service at 1-800-525-7417.
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Owner complaints (53)
53 complaints filed with NHTSA (owner reports, not verified findings). The engine is mentioned most often.
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
| Component | Complaints | % of 53 |
|---|---|---|
| Engine | 38 | 71.7% |
| Unknown or other | 9 | 17% |
| Electrical system | 6 | 11.3% |
| Engine and engine cooling | 4 | 7.5% |
| Fuel/propulsion system | 3 | 5.7% |
| Power train | 2 | 3.8% |
| Tires | 2 | 3.8% |
| Service brakes | 1 | 1.9% |
| Wheels | 1 | 1.9% |
How 2020 compares with other M340i years
Best and worst M340i years →| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2020 | 53 | 10 |
| 2021 | 11 | 6 |
| 2022 | 7 | 1 |
Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.
Fuel economy: up to 25 mpg combined
- EPA annual fuel cost
- $3,300
- CO₂ tailpipe
- 353 g/mi
- EPA class
- Compact Cars
What it costs you to run
Miles ÷ 25 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.
EPA label estimates from lab tests; your mileage will vary.
Specs by configuration
| Engine · transmission | Drive | City / Hwy / Comb | EPA $/yr | CO₂ g/mi |
|---|---|---|---|---|
| 3 L 6-cyl · 8-speed automatic | Rear-Wheel Drive | 22 / 30 / 25 | $3,300 | 353 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.

Looking at a 2020 M340i for sale?
Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.
Where to next
2020 BMW M340i FAQ
How many recalls does the 2020 BMW M340i have?
NHTSA lists 10 recall campaigns: 24V576000 (engine), 23V584000 (seat belt), 23V211000 (seat), 21V598000 (engine), 21V096000 (rear camera), 20V355000 (steering), 20V164000 (air bag), 19V755000 (structure), 19V684000 (rear camera), 19V600000 (seat). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What are the most common 2020 BMW M340i problems?
Owners filed 53 complaints with NHTSA. Engine (38), Unknown or other (9), Electrical system (6) are mentioned most. These are owner reports, not verified findings.
What mpg does the 2020 BMW M340i get?
EPA rates the 3 L 6-cyl · 8-speed automatic version at 22 city, 30 highway and 25 combined mpg.
How this page was madeSources, processing, limits, review and changes
Data sources
- NHTSA recalls by vehicle
Retrieved Oct 6, 2026 - US DOT recall completion rates (data.transportation.gov)
Retrieved Oct 6, 2026 - NHTSA ODI owner complaints
Retrieved Oct 6, 2026 - NHTSA NCAP 5-Star Safety Ratings
Retrieved Oct 6, 2026 - EPA fuel economy data (licence confirmation pending)
Retrieved Oct 6, 2026 - EIA weekly retail gasoline prices
Weekly, all taxes included
Processing
- Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
- Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.
Limitations
- Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
- Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
- Recent model years are still collecting reports.
Review
Data compiled automatically from the official files listed here.
Changelog
- 2026-10-06 Data refreshed from the official files.