2023 BMW M340i Problems, Recalls & Reliability
Verdict
No verdictComplaint Index
25/100
#4 most-complained of 5 M340i years
Based on NHTSA complaints per model-year, not a reliability rating. Methodology
The 2023 BMW M340i has 0 NHTSA complaints and 1 recall, with a complaint index of 25, the lowest among the 5 model years with data. It ranks 4th worst out of those years, meaning it is one of the better M340i years by this measure.
- Complaints
- 0
- Recalls
- 1
- Crashes / fires
- 0 / 0
- Injuries / deaths
- 0 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 26
- 23 city / 31.5 hwy
Top 2023 BMW M340i problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
No component data.
2023 BMW M340i recalls
1 NHTSA recall campaign list this model year.
- NHTSA 23V118000Feb 23, 2023Electrical System120 vehicles
Electrical system:body control module:software
BMW of North America, LLC (BMW) is recalling certain 2023 330i, 330i xDrive, M340i, M340i xDrive, M3, 330e, 330e xDrive, 430i Convertible, 430i xDrive, M440i, 2022-2023 430i, 430i xDrive, M440i xDrive, i4 eDrive40, and i4 M50 vehicles. During a service visit, a replacement electronic control unit (ECU) may have been installed with incorrect programming, which can cause the automatic door locking (ADL) function to not lock the doors as intended.
Risk: Doors that do not lock as intended while the vehicle is in motion may open during a crash, increasing the risk of injury.
Remedy: Dealers will update the ECU software, free of charge. Owner notification letters were mailed April 10, 2023. Owners may contact BMW customer service at 1-800-525-7417.
2023 BMW M340i fuel economy and fuel cost
- City
- 23 MPG
- Highway
- 31.5 MPG
- Combined
- 26 MPG
- Annual fuel cost (EPA)
- $3,050
- 15,000 mi/yr
- Fuel
- Premium
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2023 compared with other M340i years
Frequently asked questions
- Is the 2023 BMW M340i reliable?
- NHTSA lists 0 complaints and a complaint index of 25 for the 2023 M340i, the lowest complaint index among the 5 model years with data, indicating fewer reported problems relative to other years of this model.
- Does the 2023 BMW M340i have any recalls?
- Yes, NHTSA lists 1 recall for the 2023 M340i, covering the electrical system. BMW dealers update the ECU software free of charge to address it.
- How does the 2023 M340i compare to other years?
- The 2023 M340i ranks 4th worst out of 5 model years with data, with a complaint index of 25, well below the 2020 model's index of 100 and the 2021 model's index of 75.
- What is the fuel economy of the 2023 BMW M340i?
- EPA rates the 2023 M340i at 26 mpg combined (23 city / 31.5 highway), with an estimated annual fuel cost of $3,050.