2013 BMW 520 2.0L Diesel · LD63 GFE

With four consecutive clean test passes across 2022, 2023, 2024 and most recently on 2 July 2025, this 2013 BMW 520 presents a textbook profile of sustained roadworthiness under what is clearly a punishing usage regime. Not a single advisory, minor defect or failure has been recorded against the vehicle in the most recent four-year DVSA history, which suggests that the major safety-critical components inspected at annual test, including brakes, tyres, suspension, lighting, exhaust integrity and structure, have remained within legal and serviceable limits throughout. For a thirteen-year-old executive saloon, that is an unusually tidy record, particularly when considered alongside the mileage, and it points to either diligent pre-test preparation or a pattern of ongoing maintenance that has kept wear items ahead of their failure thresholds. The defining characteristic of this car, however, is not its clean MOT sheet but its exceptionally high annual mileage of roughly 15,900 miles per year, accumulating to 206,699 recorded miles over thirteen years. That is more than double the UK national average for a vehicle of this age and class, and it carries very real mechanical consequences regardless of how the test book looks. Wear-rate components on a high-mileage BMW 5 Series will have been under far greater stress than the MOT mileage bracket alone implies, particularly the timing chain and associated tensioners on the N47 or N20 engines typically fitted to this generation, the dual-mass flywheel and clutch assembly on manual variants, the ZF automatic transmission mechatronics and torque converter, the turbocharger actuator and vacuum lines, and the rear main oil seal. Even when none of these items trigger an MOT defect, they age proportionally to use rather than time, so a buyer should treat the odometer reading as the primary indicator of remaining component life rather than the calendar year. On a physical inspection and test drive, particular attention should be paid to the symptoms consistent with this mileage bracket. At cold start, listen for any rattle from the timing chain area lasting more than a second or two, which on the N47 diesel can indicate stretched chain guides rather than a worn tensioner alone, and watch for blue smoke on overrun which suggests turbo seal wear. During the road test, pay close attention to the smoothness of gearchanges on automatic variants, any shunt or flare between ratios that points to mechatronic wear, and the clutch biting point on manuals, which on a 5 Series with this mileage can be close to requiring replacement. The steering should feel precise without vagueness around the straight-ahead position, and any knocking from the front suspension over speed humps or during full-lock low-speed manoeuvres should be noted, as control arm bush and drop link wear accelerates with mileage even when not yet at advisory level. Underneath the car, although no structural corrosion has been recorded, it is worth inspecting the rear subframe mounting points, the jacking zones and the leading edges of the front wheel arches for any bubbling or surface corrosion that may sit below the MOT inspection threshold but indicate the beginning of structural concern, particularly given wet British winters. The brake discs and pads should be measured directly rather than trusted to the MOT record, as a high-mileage vehicle may have been fitted with thin replacement discs that pass test but offer little thermal margin. Finally, check for any signs of oil misting around the rocker cover gasket, the oil filter housing on N20 units, and the VANOS solenoid seals, as oil leaks are the most common age-related issue on this engine family and can be present long before they constitute an MOT failure. A compression or leak-down test, together with a read of any BMW ISTA fault memory, would be prudent given the mileage, even though the DVSA history itself gives no cause for concern.