2016 BMW 520 2.0L Diesel · DP16 DMU

A clean five-test DVSA record over nearly four years of testing establishes a strong baseline of roadworthiness for this 2016 BMW 520, with no advisories or failures recorded on any of the certificates from 2022 through 2025. The most recent test on 21 October 2025 concluded with a pass and no defects recorded, mirroring the outcome of the four previous examinations, which indicates a stable mechanical condition rather than a vehicle that is deteriorating between tests. The absence of any flagged items across this period is unusual for a ten-year-old premium executive saloon, as components such as front brake discs, suspension bushes, and undertray fixings typically generate advisories by this age and mileage. While the clean record is reassuring, it is worth noting that DVSA testing is a relatively shallow inspection focused on safety-critical items at the time of test, and it does not cover engine internals, electronic modules, or the condition of timing chain guides which are a known area of concern on certain BMW petrol and diesel engines of this era. Recorded mileage of 105,652 miles against a ten-year age equates to an average annual accumulation of roughly 10,500 miles, which sits comfortably within the expected range for a vehicle of this type and suggests consistent rather than sporadic use. There are no notable gaps in the testing history that would indicate extended periods off the road, and the mileage progression between tests appears steady, which is the most favourable pattern for mechanical longevity. At this odometer reading, wear-related maintenance such as brake discs, pads, suspension components, and potentially the automatic transmission fluid and differential oil should already have been addressed, and any prospective buyer should request evidence of recent major service items including spark plugs, filters, and gearbox oil changes. Given the absence of any recorded advisories, the most relevant inspection focus for a buyer shifts to components that the MOT does not thoroughly evaluate and to areas where BMWs of this generation are known to develop issues. On the test drive, listen carefully for any rhythmic tapping or rattle from the engine on startup, particularly in the first few seconds, which can suggest stretched timing chain guides on the B47 or B48 four-cylinder engines, or VANOS solenoid chatter on the six-cylinder variants. Feel for any vibration through the steering wheel under light braking, which can indicate warped front brake discs even if they were within DVSA limits at the last test, and check for a soft or inconsistent brake pedal that might point to worn caliper slide pins. Over uneven road surfaces, listen for clonking from the front suspension that could reveal perished top mounts or control arm bushes, and pay particular attention to any delay or shunt from the automatic transmission when moving from cold into drive, as ZF eight-speed units can develop mechatronic issues at this mileage. A physical inspection beneath the vehicle is highly recommended, particularly around the front subframe mounting points, rear axle components, and brake pipe runs, as corrosion in these areas is increasingly common on F10 generation 5 Series cars now that they are passing the ten-year threshold. Check the rear wheel arch liners and lower sill edges for any signs of bubbling paint or surface corrosion that may not yet have been severe enough to fail an MOT. Finally, verify that all electronic systems function correctly, including the iDrive infotainment, professional navigation, parking sensors, and any optional adaptive cruise or lane departure functions, as control module failures and screen delamination are not uncommon on this generation. With a clean MOT history and sensible mileage, this 520d or 520i represents a well-maintained example, but a pre-purchase inspection by a BMW specialist remains the prudent course of action before committing.