Bmw 1 series
Reliability, running costs, and MOT data across 18 years from 181,456 real MOT tests.
Avg Pass Rate
85%
Total Tests
181,456
Best Year
2024 (100%)
Years Covered
18
About the Bmw 1 series
The Bmw 1 series has been tested 181,456 times in 2026 MOT data across 18 model years (2004 to 2024), with an average pass rate of 85%. That's slightly above the national average of 82%. Available as petrol and diesel.
Best and Worst Years
The 2024 model is the most reliable with a 100% pass rate from 30 tests. The 2004 model has the lowest at 72%. With a 28 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer BMW 1 SERIESs show better MOT pass rates than older ones, with an average improvement of 13 percentage points.
Mileage Across Years
The oldest model in our data (2004) averages 127,703 miles, while the newest (2024) averages 56,153 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2024 detailsHow reliable is the Bmw 1 series?
Bmw 1 series by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2024 | 100% | 30 | 56,153 mi | |
| 2020 | 99% | 68 | 34,205 mi | |
| 2019 | 91% | 32,819 | 41,619 mi | |
| 2018 | 92% | 27,965 | 50,440 mi | |
| 2017 | 92% | 19,053 | 56,121 mi | |
| 2016 | 92% | 7,706 | 60,320 mi | |
| 2015 | 92% | 4,010 | 67,427 mi | |
| 2014 | 90% | 5,135 | 76,509 mi | |
| 2013 | 84% | 34,105 | 93,913 mi | |
| 2012 | 82% | 29,741 | 97,892 mi | |
| 2011 | 82% | 5,252 | 97,748 mi | |
| 2010 | 80% | 4,356 | 109,865 mi | |
| 2009 | 79% | 3,810 | 113,355 mi | |
| 2008 | 80% | 2,841 | 117,331 mi | |
| 2007 | 78% | 1,973 | 120,685 mi | |
| 2006 | 77% | 1,195 | 136,390 mi | |
| 2005 | 73% | 1,066 | 137,675 mi | |
| 2004 | 72% | 331 | 127,703 mi |
Bmw 1 series Guides & Articles
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