2017 BMW 420 2.0L Petrol · DB08 CAL

The 2017 BMW 420 presents a clean and stable maintenance trend, with the most recent MOT on 28 November 2025 at 34,231 miles passing with zero defects. The preceding test on 24 November 2025 at 34,196 miles also recorded no defects despite being a failure, suggesting the initial failure was administrative or a minor issue promptly rectified before the retest four days later. Across the full five-test history dating back to November 2022, every pass was achieved with no advisories or defects, indicating consistent mechanical upkeep and no recurring faults. The mileage accumulation tells a clear story of very low usage. The vehicle has covered approximately 8,582 miles over the four years between the November 2022 test at 25,649 miles and the November 2025 test at 34,231 miles, averaging roughly 2,145 miles per year in that window. Annual mileage across the car's full nine-year life sits at approximately 3,803 miles, well below the UK average. The increments between successive tests are steady and modest, with no sudden jumps or suspicious gaps that would suggest odometer tampering or prolonged periods of neglect. Despite the clean MOT record, a buyer should still carry out a thorough physical inspection. Low-mileage vehicles that stand for extended periods can develop flat-spotted tyres, seized brake calipers, perished rubber bushes, and moisture-related corrosion in areas the MOT does not always probe deeply. The front and rear suspension bushes, coil springs, and shock absorbers should be checked for deterioration, as these components age with time as well as mileage. The exhaust system, particularly the catalytic converter and DPF if fitted, deserves attention given the short-trip usage pattern implied by the low annual mileage. A test drive should focus on brake feel, steering precision, and any unusual drivetrain vibrations that could point to seized universal joints or neglected fluid changes. The engine oil, coolant, and brake fluid condition should be verified, as infrequently driven engines are more susceptible to condensation buildup and acidic oil contamination. Tyre date codes should be inspected to confirm they are not aged beyond six years, even if tread depth remains legal. The clean MOT history is encouraging, but it does not substitute for hands-on due diligence on a low-mileage car of this age.