2018 MINI John Cooper Works 2.0L Petrol · YB18 ABU

The most recent MOT history for this 2018 MINI John Cooper Works reveals a stable but concerning pattern of repeated test failures with no recorded defects. The June 2025 test at 62,219 miles passed, yet just 11 days earlier, the identical mileage (62,218) resulted in a failure—an anomaly that suggests either a procedural error or an undetected but critical issue resolved at the last moment. The previous two tests in May 2024 and May 2023 followed the same script: a failed attempt immediately followed by a pass at the same mileage, again with no defects logged. This repetition implies either a tester inconsistency or a minor but persistent problem that was only intermittently present, such as a loose component or a sensor-related glitch. The absence of any advisories or defects in the passed tests, however, indicates no major structural or mechanical failures have been detected by the official tester. Mileage accumulation has been steady and typical for the vehicle’s age, averaging around 7,777 miles per year over its eight-year lifespan. The gap between the 2023 and 2024 tests—approximately 8,478 miles covered in just under 12 months—aligns with the long-term average, suggesting consistent but not excessive use. The lack of rapid mileage spikes or prolonged inactivity periods means there’s no obvious sign of neglect or aggressive driving, though the repeated test failures hint at either a lack of pre-test checks or a minor but recurring issue that wasn’t addressed between tests. The most recent MOT, just over a year old, is technically within the annual testing window, but the absence of any recorded defects in the passed tests raises questions about what was actually rectified during the failed attempts. Given the lack of documented defects, a buyer should prioritise a thorough inspection of components prone to intermittent failures or sensor-related issues. Pay close attention to the braking system—particularly the Anti-lock Braking System (ABS) and Electronic Brakeforce Distribution (EBD) sensors, which often trigger test failures without visible wear. Check for any signs of binding calipers, uneven pad wear, or fluid leaks, even if the tester found no faults. The suspension should also be scrutinised for worn bushes, coil springs, or damaged control arms, as these can cause minor handling irregularities that might not always be picked up in a cursory MOT. Finally, inspect the underbody and wheel arches for early signs of corrosion, especially around the sills and exhaust mounts, as Mini’s lightweight construction can accelerate rust in damp conditions. While the MOT history suggests no major red flags, the pattern of repeated failures without explanation demands a hands-on assessment before purchase.