2015 BMW 520 2.0L Diesel · ST65 FPF

The 2015 BMW 520’s most recent MOT test on 2026-08-05 resulted in a clean pass with no recorded defects, marking a continuation of a stable maintenance record over the past year. Prior to this, the vehicle’s MOT history shows consistent passing grades with only minor issues—such as a non-adversarial near-side front windscreen chip in 2023 and a child seat advisory in 2022—indicating that while some wear-related advisories have appeared, they have not escalated to failures. The absence of repeated failures or critical defects suggests that the vehicle has been maintained within legal and safety parameters, though the presence of advisories, particularly on brakes and tyres, warrants closer attention to prevent potential long-term issues. The vehicle’s recorded mileage of 115,098 miles at the time of this assessment reflects a moderate annual usage rate of approximately 10,463 miles per year, which is consistent with typical long-term ownership patterns for a 11-year-old car. This level of mileage is neither excessively high nor unusually low for a BMW of this age, though it does imply that the vehicle has undergone sustained use rather than prolonged periods of inactivity. Higher mileage tends to accelerate wear on consumables like brake pads, tyres, and suspension components, while lower mileage can sometimes mask issues such as corrosion from standing or fluid degradation due to infrequent use. The absence of significant mileage spikes suggests that the vehicle has been driven regularly, but the advisories on rear brake discs and tyres indicate that wear has progressed beyond the MOT’s threshold for inspection, necessitating proactive checks. For the prospective buyer, the most critical areas to inspect during a physical examination are the rear brake system and tyres, as the 2019 MOT advisories highlight potential concerns. The pitted and scored rear brake discs may require closer inspection for signs of warping, glazing, or uneven wear, which could indicate brake rotor failure or hydraulic issues. Listen for a grinding noise during braking, especially when applying firm pressure, as this may signal metal-to-metal contact between pads and discs. Additionally, check the rear brake pads for significant thickness reduction or glazing, and verify that the brake fluid level is within specification—low fluid levels or a spongy pedal feel could signal a failing brake master cylinder or hydraulic system. During a test drive, monitor for a pulsating or shuddering sensation under braking, which may point to warped discs or binding calipers. Beyond the mechanical advisories, the buyer should also assess the vehicle’s overall condition for signs of age-related wear and potential standing corrosion. Given the car’s age, inspect the bodywork for rust, particularly around the wheel arches, rocker panels, and beneath the vehicle, as BMWs are prone to galvanised steel corrosion in these areas. Check the tyres for sidewall perishing or cracking, which can compromise structural integrity and lead to sudden failure, especially if the vehicle has been stored for extended periods. Verify that the 12-volt battery is in good condition by testing its charge level and listening for any unusual electrical noises, as older batteries can fail without warning, leading to ignition or power window issues. Lastly, since the vehicle has not undergone a full service in recent years, consider checking the service book for any scheduled maintenance stamps, particularly for fluid replacements such as engine oil, brake fluid, and differential fluid, which should be renewed at 60,000–100,000 miles or every 2–3 years, whichever comes first. If the service history is incomplete, a professional inspection should confirm the vehicle’s internal condition, including the timing chain, suspension bushes, and exhaust system for signs of wear or leaks.