BMW M340I problems by model year
Updated from NHTSA data · How we count
NHTSA has 72 owner complaints and 14 recalls on file for the BMW M340I (2019–2023). The 2020 M340I has the most serious complaints, most often about engine.
- Complaints
- 72
- Recalls
- 14
- Model years
- 5
- Worst year
- 2020
Complaints by model year
Newer model years have had less time on the road, so they naturally have fewer complaints. Compare a year against its neighbors rather than against brand-new models.
Worst BMW M340I years to buy
Ranked by our severity-weighted complaint score (crashes, fires and injuries count extra — how it works).
- 2020 BMW M340I — 53 complaints; top problem: Engine
- 2021 BMW M340I — 11 complaints; top problem: Engine
Fewest serious complaints among years at least 3 years old: 2019 (0 complaints).
Every BMW M340I model year
| Year | Complaints | Crashes | Fires | Injuries | Recalls | Top problem |
|---|---|---|---|---|---|---|
| 2023 M340I | 1 | 1 | 0 | 0 | 1 | Engine |
| 2022 M340I | 7 | 0 | 0 | 0 | 1 | Steering |
| 2021 M340I | 11 | 0 | 0 | 0 | 6 | Engine |
| 2020 M340I | 53 | 0 | 0 | 0 | 10 | Engine |
| 2019 M340I | 0 | 0 | 0 | 0 | 5 | — |
Most common BMW M340I problem areas (all years)
- Engine51 complaints
- Electrical System9 complaints
- Transmission & Drivetrain6 complaints
- Wheels & Tires4 complaints
- Fuel, Hybrid & EV Propulsion4 complaints
- Steering3 complaints
- Brakes3 complaints
- Suspension2 complaints
- Airbags1 complaints
Complaint trend
BMW M340I recalls
Risk: A starter motor that overheats can ignite nearby combustible material in the engine compartment, increasing the risk of a fire.
Risk: An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash.
Risk: An improperly welded seat frame may not properly restrain the occupant during a crash, increasing the risk of injury.
Risk: Doors that do not lock as intended while the vehicle is in motion may open during a crash, increasing the risk of injury.
Risk: Loss of braking assist can increase the risk of a crash.
Risk: During a crash, a seat belt retractor that does not function as intended increases the risk of injury.
Risk: An improperly installed seat belt assembly may not restrain an occupant as expected, increasing the risk of injury.
Risk: 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.
Risk: Increased electrical resistance can increase the risk of a fire.
Risk: A damaged or fractured tie rod may affect vehicle handling and control, increasing the risk of a crash.
Risk: 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.
Risk: If a person were inside the trunk compartment, they may not be able to get out, increasing their risk of injury.
Risk: The lack of an image in the back-up camera display increases the risk of a crash.
Risk: If the headrest folds down in a crash, there would be an increased risk of injury.
Other BMW models
Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. Methodology