Bmw 550
Reliability, running costs, and MOT data across 6 years from 486 real MOT tests.
Avg Pass Rate
91%
Total Tests
486
Best Year
2010 (95%)
Years Covered
6
How reliable is the Bmw 550?
Bmw 550 by Year
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About the Bmw 550
The Bmw 550 has been tested 486 times in 2024 MOT data across 6 model years (2005 to 2014), with an average pass rate of 91%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.
Best and Worst Years
The 2010 model is the most reliable with a 95% pass rate from 60 tests. The 2006 model has the lowest at 86%. The 9 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
Newer BMW 550s show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Mileage Across Years
The oldest model in our data (2005) averages 127,277 miles, while the newest (2014) averages 66,034 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.