2021 BMW 520D M Sport Mhev Auto 2.0L Electric diesel · T55 SYF

The vehicle most recently passed its MOT on 13 October 2025 with no defects recorded. This follows a similarly clean result from November 2024, indicating a very stable maintenance trend. The absence of any advisories or failure points suggests that the vehicle has been kept to a high mechanical standard and that there are no immediate structural or safety concerns identified by the DVSA. With a recorded mileage of 21,328 miles over approximately five years, the vehicle has averaged roughly 4,266 miles per year. This is significantly lower than the national average for a diesel executive saloon. While this implies minimal wear on the engine internals, gearbox, and suspension components, such low usage can sometimes be indicative of short trips or extended periods of inactivity, which can introduce specific mechanical vulnerabilities. Given the clean MOT history and low mileage, the primary focus of a physical inspection should be on age-related degradation rather than wear and tear. You must carefully examine the tyre sidewalls for signs of perishing or hairline cracking, as rubber compounds harden over time even if the tread depth remains legal. Additionally, inspect the brake discs for surface corrosion or evidence of binding calipers, which can occur when a vehicle stands for long periods. During the test drive, listen for any unusual groans from the suspension bushes or steering rack that may result from rubber components drying out. Special attention should be paid to the health of the 12V battery and the mild hybrid system, as infrequent use can lead to premature battery depletion. Verify the service history to ensure that oil and filter changes have been carried out based on the manufacturer's calendar intervals rather than solely on mileage, as engine oil degrades over time through oxidation. Finally, check for any signs of fluid leaks around the engine bay and ensure that the brake fluid has been flushed according to the recommended schedule to prevent moisture contamination.