Every BMW M340i model year side by side — owner complaints and safety recalls filed with NHTSA, crash-test ratings and EPA fuel economy. Pick a year for the full details.
Owners filed the most NHTSA complaints about the 2020 M340i — at least double the typical year (0). Check those years' problem areas and recall repairs carefully before buying.
Among model years at least two years old, the 2023 and 2024 M340i drew the fewest owner complaints.
| Year | Lemon Score | Owner complaints | Recalls | NHTSA stars | Best fuel economy |
|---|---|---|---|---|---|
| 2026 | 86· Low lemon risk* | 0 | 0 | — | 8.1 L/100 km (29 mpg) |
| 2025 | 87· Low lemon risk | 0 | 0 | — | 8.1 L/100 km (29 mpg) |
| 2024Fewest complaints | 88· Low lemon risk | 0 | 0 | — | 9 L/100 km (26 mpg) |
| 2023Fewest complaints | 83· Low lemon risk | 0 | 1 | — | 9 L/100 km (26 mpg) |
| 2022 | 47· Elevated lemon risk | 7 | 1 | — | 9 L/100 km (26 mpg) |
| 2021 | 25· High lemon risk | 11 | 6 | — | 9 L/100 km (26 mpg) |
| 2020Most complaints | 11· High lemon risk | 53 | 10 | — | 9.4 L/100 km (25 mpg) |
Sources: NHTSA (complaints, recalls, NCAP ratings) and U.S. EPA (fuel economy). Complaint counts aren't adjusted for how many cars were sold, and newer model years have had less time to collect complaints. * Provisional score. How the Lemon Score works.
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