Bmw 135
Reliability, running costs, and MOT data across 10 years from 2,729 real MOT tests.
Avg Pass Rate
90%
Total Tests
2,729
Best Year
2016 (97%)
Years Covered
10
How reliable is the Bmw 135?
Bmw 135 by Year
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About the Bmw 135
The Bmw 135 has been tested 2,729 times in 2024 MOT data across 10 model years (2007 to 2016), with an average pass rate of 90%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.
Best and Worst Years
The 2016 model is the most reliable with a 97% pass rate from 75 tests. The 2015 model has the lowest at 84%. The 13 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
Newer BMW 135s show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Mileage Across Years
The oldest model in our data (2007) averages 101,704 miles, while the newest (2016) averages 67,441 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.