2009 MINI 1.4L Petrol · CP09 NHZ

The vehicle is currently roadworthy but shows signs of a worsening trend regarding mechanical and structural degradation. While it passed its most recent test in April 2025 at 111,890 miles, the preceding failure just two miles prior revealed significant issues with engine emissions and lighting. The recurring failure of high exhaust hydrocarbon and lambda readings in both 2024 and 2025 suggests a persistent engine management issue or sensor failure that the owner has only addressed sufficiently to pass the test, rather than resolving the underlying mechanical health. The mileage pattern is consistent with a 17-year-old vehicle, averaging approximately 6,600 miles per year. The record shows a steady progression of roughly 9,000 miles between May 2023 and April 2024, and another 9,600 miles between April 2024 and April 2025. This regular usage suggests the car is not left sitting for long periods, yet the relatively low annual mileage relative to its age does not prevent the natural degradation of rubber components or the progression of oxidation now observed on the chassis. A physical inspection must focus on the rear sub-frame and trailing arm mounting areas. The April 2025 test flagged corrosion in these areas; although the tester did not consider it seriously weakened, structural rust is a known weak point on this model and will inevitably progress to failure if not monitored. The buyer should also investigate the front lower oil leak noted in the 2025 test to determine if it is a minor gasket seep or a more significant seal failure. Given the history of exhaust flex pipe leaks and emission failures, a diagnostic scan of the catalytic converter and oxygen sensors is advisable to ensure the engine is operating within efficient parameters.