2019 MINI Cooper S 2.0L Petrol · SM19 LKZ

The vehicle passed its most recent MOT on 30 April 2026 at 21,615 miles, but only after failing the same day due to critical defects that were not resolved prior to the retest. The recurring issues with corroded brake pipes and perishing rear tyres indicate a maintenance trend that is worsening, not stabilising. The fact that the same brake pipe corrosion and tyre cracking appeared in both the failed and passed tests confirms these are unresolved, persistent concerns rather than one-off anomalies. The recorded mileage of 21,615 miles over seven years equates to an average of just over 3,000 miles annually, which is unusually low. This suggests limited use, possibly with extended periods of inactivity. The gap between the March 2024 and March 2025 tests is normal, but the jump from 15,963 to 19,214 miles in a year, followed by no further increase until April 2026, implies the car may have been stored for much of 2025 and early 2026. Low usage can accelerate rubber and fluid degradation, particularly in brake lines and tyres, which aligns with the current defects. A buyer must inspect the offside front-to-rear brake pipe for active corrosion and assess whether the plastic coating has failed, as this poses a serious risk of fluid leak and brake failure. The rear tyres, already showing cracking and perishing, should be replaced immediately regardless of tread depth, as age-related rubber degradation compromises grip and structural integrity. The previous advisories on worn front brake discs and pads suggest the braking system has not been maintained proactively, so a full brake system inspection—including caliper function, fluid condition, and disc thickness—is essential. Corrosion on brake lines often indicates exposure to moisture or salt, so the underbody, especially around the rear axle and wheel arches, should be checked for rust or water traps.