2021 BMW M3 Competition Auto 3.0L Petrol · LP21 HHD

The 2021 BMW M3 Competition Auto presents a clean MOT record with a stable and reassuring maintenance trend. The most recent test, conducted on 20 June 2025 at 1,704 miles, passed with zero defects recorded. This follows an equally clean pass on 7 June 2024 at 1,238 miles. The absence of any advisories or failures across both tests indicates that the vehicle has been kept in sound mechanical and structural condition, with no emerging or recurring faults flagged by the tester. The mileage pattern is notably low for a five-year-old performance saloon. Between the June 2024 test and the June 2025 test, the car covered just 466 miles, and the total recorded mileage of 1,704 miles equates to roughly 341 miles per year. This suggests prolonged periods of limited use or storage. While low mileage generally reduces wear on consumables such as brake pads, tyres, and drivetrain components, extended periods of inactivity can introduce its own risks, including flat-spotted tyres, brake surface corrosion, and stale fluids. The sparse but consistent MOT history, with only two recorded tests, is typical for a vehicle of this age and usage pattern but leaves limited data to establish a longer-term trend. A buyer inspecting this M3 in person should pay particular attention to components that suffer from infrequent use rather than high mileage. Brake discs and pads should be examined for surface corrosion or uneven wear from standing. Tyres must be checked for sidewall cracking, flat spots, and date of manufacture, as rubber degrades with age regardless of tread depth. Suspension bushes, coil springs, and dampers should be inspected for deterioration that can occur during prolonged static periods. The exhaust system, including catalytic components, benefits from a cold-start check to confirm emissions performance and exhaust integrity. A thorough underbody inspection for corrosion or structural rust is advisable, particularly on subframes and mounting points common to high-performance BMW models. Given the clean MOT record and extremely low mileage, this vehicle appears mechanically sound on paper. The lack of flagged defects is encouraging, but the limited usage pattern means a hands-on inspection remains essential to confirm that infrequent operation has not masked latent deterioration in rubber components, fluids, or braking surfaces.