2010 BMW M3 4.0L Petrol · 151 CA

The most recent MOT, carried out on 8 August 2026, was passed with no recorded defects, indicating that the vehicle was road‑worthy at that date. This follows a failure recorded only four days earlier for a major fault – an off‑side front side‑repeat indicator not working – which would have required rectification before the subsequent test. The swift conversion from a failed to a passed result suggests that the owner addressed the electrical fault promptly, pointing to a generally responsive maintenance approach rather than a pattern of neglect. At 70,491 miles for a 2010 model the average annual mileage works out at roughly 4,400 mi per year, well below the UK average for a vehicle of this age. Such low utilisation often indicates periods of limited use or extended storage, which can be as much a concern as high mileage. Prolonged standing can promote corrosion of suspension joints, brake disc surface rust, and degradation of rubber components, while also allowing fluids to deteriorate even when the engine is not heavily exercised. Conversely, the modest mileage means that wear‑related items such as clutch plates, timing chain, and major engine bearings are likely to be in a relatively healthy state, provided the car has been serviced in accordance with the manufacturer’s calendar intervals. The specific fault that caused the earlier failure – the off‑side front side‑repeat indicator – is an electrical component linked to the hazard warning system and may share circuitry with other illumination functions. Verify that the indicator now operates correctly and inspect the surrounding wiring for corrosion, cracked insulation, or loose connectors, as these can re‑appear after exposure to moisture. On a test drive listen for any intermittent warning lights, flickering LEDs, or unexplained dashboard messages, and confirm that all other warning lamps illuminate briefly on start‑up before extinguishing, which is a basic check of the vehicle’s electronic health. Additionally, examine the front wheel wells for any signs of water ingress that could have contributed to the original fault. Given the car’s age and low mileage, a thorough visual and tactile inspection is essential. Check the tyre sidewalls for cracking, hardening, or age‑related perishing, as rubber can deteriorate after six years regardless of tread depth. Inspect the 12‑volt battery for sulphation and verify that it holds charge under load, especially if the vehicle has spent long periods idle. Examine the brake discs for surface rust, pitting, or uneven wear, and ensure the calipers move freely without binding – a common issue on cars that sit for extended periods. Finally, confirm that the service booklet shows calendar‑based fluid changes – coolant, brake fluid, and engine oil – and that the suspension bushes, control arm bushings, and engine mounts are free of cracks or excessive play, as these components can deteriorate with age even when mileage is low.