The 2026 BMW M340i presents an average reliability picture, with an LLM score of 7.5 and a public verdict of 'Excellent'.
Calculated from 10,000+ NHTSA, EPA & owner-complaint data pointsHow we score
Specifications by model year
Every section below is populated from the available EPA, NHTSA, and vehicle-specification data for this model.
EPA-rated city, highway, and combined economy by year.
Powertrain specifications can vary between model years.
| Year | Body style | Cylinders | Displacement | Fuel type | Transmission | Drivetrain |
|---|---|---|---|---|---|---|
| 2026 | sedan | 6 | 3.0 | Premium | Automatic (S8) | Rear-Wheel Drive |
| 2025 | sedan | 4 | 3.0 | Premium | Automatic (S8) | Rear-Wheel Drive |
| 2024 | sedan | 6 | 3.0 | Premium | Automatic (S8) | Rear-Wheel Drive |
| 2023 | sedan | 6 | 3.0 | Premium | Automatic (S8) | All-Wheel Drive |
| 2022 | sedan | 6 | 3.0 | Premium | Automatic | AWD/All-Wheel Drive |
| 2021 | sedan | 6 | 3.0 | Premium | Automatic | Rear-Wheel Drive |
| 2020 | sedan | 6 | 3.0 | Premium | Automatic | RWD/Rear-Wheel Drive |
Original pricing and model configuration where available.
Seating, cargo, and physical configuration by model year.
| Year | Seats | bodyAndInterior | mechanical | Keyless ignition | GVWR | Seat rows | Steering location | Axles | Wheels | Wheelbase | Front wheel | Rear wheel |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | — | — | — | — | — | — | — | — | — | — | — | — |
| 2025 | — | Keyless ignition: Standard | GVWR: Class 1C: 4,001 - 5,000 lb (1,814 - 2,268 kg) | Class 1C: 4,001 - 5,000 lb (1,814 - 2,268 kg) | Standard | Class 1C: 4,001 - 5,000 lb (1,814 - 2,268 kg) | Class 1C: 4,001 - 5,000 lb (1,814 - 2,268 kg) | — | — | — | — | — | — | — |
| 2024 | — | Keyless ignition: Standard | GVWR: Class 1: 6,000 lb or less (2,722 kg or less) | Class 1: 6,000 lb or less (2,722 kg or less) | Standard | Class 1: 6,000 lb or less (2,722 kg or less) | Class 1: 6,000 lb or less (2,722 kg or less) | — | — | — | — | — | — | — |
| 2023 | — | Keyless ignition: Standard | GVWR: Class 1C: 4,001 - 5,000 lb (1,814 - 2,268 kg) | Standard | Class 1C: 4,001 - 5,000 lb (1,814 - 2,268 kg) | — | — | — | — | — | — | — |
| 2022 | 5 | Keyless ignition: Standard, Seat rows: 2 | GVWR: Class 1: 6,000 lb or less (2,722 kg or less) | Class 1: 6,000 lb or less (2,722 kg or less) | Standard | Class 1: 6,000 lb or less (2,722 kg or less) | Class 1: 6,000 lb or less (2,722 kg or less) | 2 | — | — | — | — | — | — |
| 2021 | 5 | Keyless ignition: Standard, Steering location: Left-Hand Drive (LHD), Seat rows: 2 | GVWR: Class 1: 6,000 lb or less (2,722 kg or less) | Class 1: 6,000 lb or less (2,722 kg or less), Axles: 2, Wheels: 4, Wheelbase: 112.2, Front wheel: 18, Rear wheel: 18 | Standard | Class 1: 6,000 lb or less (2,722 kg or less) | Class 1: 6,000 lb or less (2,722 kg or less) | 2 | Left-Hand Drive (LHD) | 2 | 4 | 112.2 | 18 | 18 |
| 2020 | 5 | Keyless ignition: Standard, Steering location: Left-Hand Drive (LHD), Seat rows: 2 | GVWR: Class 1: 6,000 lb or less (2,722 kg or less) | Class 1: 6,000 lb or less (2,722 kg or less), Axles: 2, Wheels: 4, Wheelbase: 112.2, Front wheel: 18, Rear wheel: 18 | Standard | Class 1: 6,000 lb or less (2,722 kg or less) | Class 1: 6,000 lb or less (2,722 kg or less) | 2 | Left-Hand Drive (LHD) | 2 | 4 | 112.2 | 18 | 18 |
NHTSA safety ratings and listed driver-assistance availability.
| Year | abs | esc | tractionControl | tpms | adaptiveCruiseControl | autoBrake | forwardCollisionWarning | pedestrianAeb | blindSpotMonitoring | blindSpotIntervention | laneDepartureWarning | laneCenteringAssist | rearCamera | rearCrossTrafficAlert | rearAeb | parkAssist | adaptiveDrivingBeam | autoReverseSystem |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | standard | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2025 | standard | standard | standard | standard | optional | standard | standard | standard | optional | optional | optional | optional | standard | optional | standard | optional | standard | standard |
| 2024 | standard | standard | standard | standard | optional | standard | standard | standard | optional | optional | optional | optional | standard | optional | standard | optional | standard | standard |
| 2023 | standard | standard | standard | standard | — | standard | standard | standard | optional | — | optional | — | standard | optional | — | optional | standard | standard |
| 2022 | standard | standard | standard | standard | optional | — | standard | — | optional | — | optional | — | standard | optional | — | optional | standard | standard |
| 2021 | standard | standard | standard | standard | optional | standard | standard | standard | optional | — | standard | standard | standard | optional | — | optional | standard | standard |
| 2020 | standard | standard | standard | — | optional | standard | — | — | optional | — | optional | — | standard | optional | — | optional | standard | standard |
Model year reports
The 2026 BMW M340i presents an average reliability picture, with an LLM score of 7.5 and a public verdict of 'Excellent'.
The 2025 BMW M340i presents a compelling, albeit data-limited, picture for used car buyers.
The 2024 BMW M340i offers compelling performance and luxury, with an excellent reliability record indicated by zero recalls and complaints.
The 2023 BMW M340i offers strong performance and a premium experience, but buyers should confirm the single recall for the electrical system has been addressed and be aware of potential electronic glitches.
The 2022 BMW M340i offers a compelling blend of performance and luxury, but used buyers should prioritize confirming the completion of recall campaign 23V584000 concerning the audible seat belt warning system.
The 2021 BMW M340i offers strong performance but requires careful inspection due to multiple recalls.
The 2020 BMW M340i offers potent performance but warrants careful pre-purchase inspection due to a significant number of safety recalls, particularly concerning the steering and braking systems.
Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.
Carfocal currently has 7 published M340i reports, covering 2020 through 2026. Compare the year-specific reports directly to see how reliability, recalls, ownership costs, and value change over time. The newest published verdict says: The 2026 BMW M340i presents an average reliability picture, with an LLM score of 7.5 and a public verdict of 'Excellent'.
Published year coverage: 2020, 2021, 2022, 2023, 2024, 2025, 2026.
There is no single reliability answer for every BMW M340i. Carfocal's published year reports show why the model year matters, with verdicts that include the 2026 bmw m340i presents an average reliability picture, with an llm score of 7.5 and a public verdict of 'excellent'. and the 2026 bmw m340i holds its value well, reflecting its performance and brand cachet. Compare the report for the year you are considering before you make a decision.
7 published year-specific reports are available for comparison.
Across Carfocal's published M340i guides, recurring problem areas include Brake Pads and Rotors, Cooling System Hoses, and Turbocharger. The exact risk depends on the model year, so open the report for the vehicle you are evaluating to see which issues, recalls, and repair concerns apply.
Common problem areas found in published repair predictions: Brake Pads and Rotors, Cooling System Hoses, and Turbocharger.