BMW 550I engine problems by year
57 NHTSA owner complaints name the engine across 5 550I model years. The most reported year is 2011 with 32 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2012 550I | 13 | 37% | 59,644 mi | |
| 2011 550I | 32 | 38% | 73,000 mi | |
| 2008 550I | 5 | 16% | — | |
| 2007 550I | 5 | 14% | — | |
| 2006 550I | 2 | 9% | — |
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.