BMW 428I engine and engine cooling problems by year
52 NHTSA owner complaints name the engine and engine cooling across 3 428I model years. The most reported year is 2015 with 26 reports.
| Year | Engine and Engine Cooling reports | Share | Median mileage | |
|---|---|---|---|---|
| 2016 428I | 17 | 40% | — | |
| 2015 428I | 26 | 34% | 84,000 mi | |
| 2014 428I | 9 | 25% | — |
Share is the fraction of that year’s complaints naming the engine and engine cooling. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.