BMW M340I engine problems by year
35 NHTSA owner complaints name the engine across 1 M340I model years. The most reported year is 2020 with 35 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2020 M340I | 35 | 70% | — |
Share is the fraction of that year’s complaints naming the engine. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.