Before buying a used 2023 BMW M340i, check whether recall repairs were completed, how it scored in crash tests and what owners report most often. Ask the seller for service records covering any recall listed below.
NHTSA hasn't published 5-star ratings for this model year.
Source: NHTSA New Car Assessment Program.
A 0–100 grade from public NHTSA data — higher means fewer reported problems. How it's calculated
No listings here yet — new vehicles are added daily.
No owner complaints have been filed with NHTSA for this model year.
Source: NHTSA owner complaints. Complaints are unverified reports, not confirmed defects.
| Version | City | Highway | Combined |
|---|---|---|---|
| M340i Sedan — Auto (S8), 6 cyl, 3.0 L, Turbo | 10.2 L/100 km (23 mpg) | 7.6 L/100 km (31 mpg) | 9 L/100 km (26 mpg) |
| M340i xDrive Sedan — Auto (S8), 6 cyl, 3.0 L, Turbo | 10.2 L/100 km (23 mpg) | 7.4 L/100 km (32 mpg) | 9 L/100 km (26 mpg) |
Source: U.S. EPA / fueleconomy.gov. Converted to L/100 km for Canadian buyers.
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.
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.
Source: U.S. NHTSA. Canadian-market vehicles can have different recalls — check Transport Canada's recall database. Always confirm recall status for a specific VIN with a dealer.