BMW 550I power train problems by year
24 NHTSA owner complaints name the power train across 4 550I model years. The most reported year is 2011 with 14 reports.
| Year | Power Train reports | Share | Median mileage | |
|---|---|---|---|---|
| 2012 550I | 4 | 11% | — | |
| 2011 550I | 14 | 17% | — | |
| 2008 550I | 3 | 9% | — | |
| 2007 550I | 3 | 8% | — |
Share is the fraction of that year’s complaints naming the power train. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.