2016 BMW 520 2.0L Diesel · FM16 AAN

The 2016 BMW 520’s latest MOT test on 2026-08-07 resulted in a clean pass, indicating no mechanical failures or safety-related issues at that inspection. However, the vehicle’s maintenance history reveals a recurring advisory from 2022-08-31 regarding both front and rear brake pads wearing thin, which suggests a pattern of brake system degradation that has not been fully addressed or replaced. This recurring advisory, despite no prior failures, implies either a lack of timely servicing or inherent wear beyond typical expectations for the vehicle’s age and mileage. The absence of defects in the intervening three MOTs does not negate the need for proactive brake maintenance, as thin brake pads can compromise stopping performance and lead to more severe issues if ignored, such as warped discs or hydraulic system contamination from metal debris. The recorded mileage of 195,226 miles for a ten-year-old BMW 520 represents a high annual usage rate of approximately 19,523 miles per year, which is notably elevated compared to typical usage patterns for vehicles of this age. Such high mileage accelerates wear on critical components, particularly brakes, suspension, and drivetrain elements, where increased friction and load contribute to faster degradation of consumables like brake pads, seals, and bushings. While lower mileage might suggest periods of inactivity or lighter use, the consistent accumulation of miles over a decade implies significant operational stress, which could have led to cumulative damage in areas like the suspension geometry, exhaust system corrosion, or even internal engine wear if not serviced regularly. The absence of MOT failures does not mitigate the risk of hidden wear, especially in high-friction systems where thin pads and potential binding calipers could become problematic without a thorough inspection. Given the recurring brake pad advisories from 2022, the prospective buyer should prioritise a comprehensive brake system inspection, including the condition of all four brake pads, discs, and calipers. On a test drive, listen for signs of brake squeaking or grinding, which could indicate pad wear or metal-on-metal contact. Check for uneven brake pedal travel or a spongy feel, which may signal hydraulic issues or air in the system. Inspect the front and rear brake discs for warping, scoring, or excessive thickness reduction, and visually confirm that the calipers are not binding or seized. If the pads are confirmed to be thin or worn to the minimum safe thickness, replacement is strongly advised to prevent further damage to the discs and potential brake failure. Additionally, consider a full brake fluid flush to remove any contaminants that may have accumulated over the years, as high mileage can accelerate fluid degradation. Beyond the brakes, the buyer should also conduct a thorough physical examination of the vehicle’s suspension and undercarriage, given the high mileage and potential for wear. Inspect the coil springs and suspension bushes for signs of cracking, leakage, or excessive play, as these components can fail suddenly and lead to rough ride quality or handling instability. Listen for clunking noises when driving over bumps, which may indicate worn or broken suspension links, control arms, or struts. Check for fluid leaks around the wheel bearings, differential, and engine bay, particularly around the brake calipers and wheel hubs, as oil or coolant leaks can exacerbate bearing or seal failure. For the exhaust system, visually inspect for corrosion, especially in the catalytic converter and muffler, as high mileage can accelerate rusting in exposed areas. Finally, given the vehicle’s age, the buyer should verify the condition of the tyres, checking for sidewall cracking, tread depth, and signs of uneven wear, as well as the 12V battery and starter motor for signs of weakness or failure, which can become more critical with prolonged inactivity or high mileage. If the vehicle has been stored for extended periods, consider checking for standing corrosion on the chassis, exhaust, and undercarriage, as moisture and salt exposure can accelerate rust progression.