2014 BMW 420 2.0L Diesel · LP14 OFA

A pattern of clean MOT results defines this 2014 BMW 420, with the most recent test on 19 January 2026 returning a pass and no advisories or defects recorded. Across five documented tests spanning late 2022 to early 2026, the vehicle has notched up four passes and a single failure in January 2024 that was followed by a successful re-test the very next day. The absence of any recorded advisories across the entire history is notable for a car approaching twelve years of age, indicating that no components have yet reached a state deemed worthy of flagging for future attention. The immediate re-test after the lone failure, with no defects listed, suggests either an administrative presentation issue or a minor rectification carried out between appointments, rather than a recurring mechanical concern. With 93,339 miles on the odometer over roughly twelve years, this 420 has averaged around 7,778 miles annually, which sits comfortably within the typical usage band for a vehicle of its age. The mileage progression between tests appears steady and consistent, without any sudden spikes that might suggest a long motorway commute was followed by an abrupt change in use, nor any extended periods of stationary inactivity that could promote corrosion or fluid degradation. There is a roughly fourteen-month gap in the testing record between December 2022 and January 2024, which is unremarkable and consistent with a vehicle being tested annually once it passed the three-year threshold. Mechanically, this moderate and steady accumulation points to normal wear rates for consumables rather than the accelerated degradation often seen on high-mileage examples or the cold-start and drying issues associated with very low-use cars. For a prospective buyer, the lack of recorded advisories means the usual BMW 4 Series trouble spots have not yet been formally flagged, but several age- and mileage-related areas warrant close physical inspection. On a test drive, listen for clonks or knocking from the front suspension over uneven surfaces, paying particular attention to the control arm bushes and wishbone joints which can deteriorate silently on F-series chassis. Feel for any vagueness in straight-line stability or a wandering sensation through the steering wheel, which could indicate worn front or rear bushings or tired shock absorbers. Brake pedal feel should be firm and progressive; any excessive travel, judder under light braking, or uneven pulling to one side would warrant immediate investigation of the discs, pads, and caliper sliding mechanisms. Given the absence of any rust advisories in the MOT record, it remains important to inspect the underside visually, particularly the rear wheel arches, subframe mounting points, and brake pipe runs along the chassis rails, as these are known corrosion hotspots on this generation of BMW. A few additional items deserve attention during a pre-purchase viewing despite not appearing in the MOT data. Check for any oil seepage from the valve cover gasket and from the oil filter housing, both common on higher-mileage BMW four-cylinder petrol and diesel units, and inspect the underside after running for evidence of drips. The cooling system, including the expansion tank, water pump, and thermostat housing, should be checked for signs of staining or recent top-ups, as plastic components in this area are prone to embrittlement with age. Finally, confirm that all warning lamps extinguish promptly after ignition, that the automatic transmission (if fitted) shifts smoothly through all ranges without hesitation, and that the air conditioning delivers cold air consistently, as compressor failures and refrigerant regassing are recurring ownership costs on cars of this vintage regardless of their MOT standing.