Bmw M135
Reliability, running costs, and MOT data across 4 years from 264 real MOT tests.
Avg Pass Rate
95%
Total Tests
264
Best Year
2015 (98%)
Years Covered
4
How reliable is the Bmw M135?
Bmw M135 by Year
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About the Bmw M135
The Bmw M135 has been tested 264 times in 2024 MOT data across 4 model years (2013 to 2016), with an average pass rate of 95%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.
Best and Worst Years
The 2015 model is the most reliable with a 98% pass rate from 59 tests. The 2016 model has the lowest at 89%. The 9 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
The BMW M135 has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Mileage Across Years
The oldest model in our data (2013) averages 59,910 miles, while the newest (2016) averages 58,543 miles.
Compared to the Bmw brand average of 88%, the M135 performs 7 points better, making it one of the more reliable options in the Bmw range.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.