2015 MINI Cooper 1.5L Petrol · WM15 PUV

A persistent deterioration of the off‑side front outer drive‑shaft constant‑velocity boot is the dominant issue across the MOT record, appearing as a minor defect in 2025 and again in 2026, and accompanied by a failure on 17 July 2026 for an insufficient windscreen washer supply. The recent test still recorded a pass overall, but the recurring boot condition and the advisory that the near‑side rear brake pads are wearing thin highlight two components that may require attention before the car is relied upon for regular motoring. With 60,479 mi logged over an eleven‑year lifespan the vehicle averages roughly 5,500 mi per annum, well below the typical usage rate for a Mini Cooper of this age. The annual MOT cadence shows no significant gaps, suggesting the mileage figure is accurate rather than a result of unrecorded high‑kilometre periods. Low annual mileage reduces cumulative wear on engine and transmission components, yet it also means rubber and polymer parts such as boots, hoses and bushings have aged in place, which can accelerate deterioration independent of distance travelled. When inspecting the car, focus first on the off‑side front CV boot: look for any grease seepage around the joint, feel for excessive play when the wheel is turned, and listen for a clicking or whirring noise during low‑speed cornering, all of which would indicate imminent CV joint failure. The near‑side rear brake pads should be measured for remaining thickness; a thin pad will produce a high‑pitched squeal on light braking and may cause the pedal to feel spongier as the pad approaches the disc. The 2021 advisory about an off‑side rear tyre crack warrants a close visual check of the sidewall for any dry‑rot or hairline fractures that could develop into a tyre failure under load. A prudent pre‑purchase course of action is to have a qualified technician replace the off‑side front CV boot and, if any joint play is detected, consider a full CV joint overhaul. Replace the rear brake pads on the near‑side and inspect the opposite rear pads for similar wear. Verify the integrity of the tyre sidewall flagged in 2021 and confirm the windscreen washer system is functional and free of leaks. A short test drive should include steady‑state acceleration, gentle braking, and a few low‑speed bends to expose any abnormal noises, pedal judder or steering pull that would corroborate the MOT advisories.