BMW 550I electrical system problems by year
38 NHTSA owner complaints name the electrical system across 5 550I model years. The most reported year is 2011 with 20 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2012 550I | 4 | 11% | — | |
| 2011 550I | 20 | 24% | 54,000 mi | |
| 2008 550I | 9 | 28% | — | |
| 2007 550I | 2 | 5% | — | |
| 2006 550I | 3 | 13% | — |
Share is the fraction of that year’s complaints naming the electrical system. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.