2021 BMW 330E M Sport Auto 2.0L Hybrid electric (clean) · PL21 WHF

This 2021 BMW 330e M Sport presents a notably clean roadworthiness profile, with two consecutive DVSA MOT tests dated 5 August 2025 and 24 July 2024 both passing without a single advisory or defect recorded. A defect-free outcome across two annual tests is a reassuring indicator that no wear items had deteriorated to the point of legal concern, and it suggests the suspension, braking, exhaust, and underbody components inspected at MOT were in sound condition at the time of examination. While this certainly provides a baseline confidence in the vehicle's mechanical state, it is worth bearing in mind that the MOT is a statutory roadworthiness check rather than a comprehensive mechanical survey, so the absence of advisories does not preclude developing faults on components such as the plug-in hybrid powertrain, battery cooling system, or internal braking wear that would not necessarily be flagged during the standard test procedure. With 31,383 miles accumulated over approximately five years, the vehicle has been driven at an average of around 6,277 miles annually, which is broadly in line with typical usage for a premium executive saloon of this age. The recorded mileage progression between the 2024 and 2025 tests implies an accumulation of roughly 10,000 to 11,000 miles across that twelve-month window, indicating the car has been in regular active use rather than sitting idle. For a plug-in hybrid of this type, regular driving is mechanically beneficial as it exercises both the combustion engine and the high-voltage hybrid system, helping to maintain battery conditioning, brake component cleanliness, and tyre wear patterns. However, the combination of urban plug-in running mixed with longer journeys means attention should still be paid to brake disc corrosion, as the regenerative braking system can leave the friction surfaces prone to surface rust through underuse. From a buyer inspection standpoint, although no specific advisories have been recorded, the test drive and physical inspection should concentrate on areas commonly affected on this generation of 3 Series. With mileage in the low thirties, the runflat tyres fitted as original equipment to most M Sport variants will likely be approaching the point where replacement is advisable, so check for even tread wear across both axles and inspect the sidewalls for any cracking or bulging typical of ageing runflats. On the move, listen carefully for any knocking or clonking from the front suspension over uneven surfaces, particularly indicative of worn control arm bushes or top mount deterioration, and pay attention to steering response for any vagueness or knocking that could point to tie rod or drop link wear. The brake pedal should feel firm and progressive, and any judder under heavy braking would warrant further investigation of the discs, which on hybrid models can suffer from uneven wear due to the interplay between regenerative and friction braking. The hybrid drivetrain and associated systems warrant particular attention given the vehicle's specification. On the test drive, confirm smooth transition between electric and combustion propulsion without any harshness or warning messages appearing on the instrument cluster, and verify that the high-voltage battery is accepting and delivering charge as expected with a realistic electric-only range displayed. Inspect the engine bay for any signs of oil leakage from the B48 petrol unit, particularly around the valve cover gasket and oil filter housing, both known weak points on this engine family. Check the underbody and exhaust mounting points for any early signs of corrosion, particularly around the rear axle and suspension subframe mounting areas, and confirm that all hybrid warning labels and emergency shut-down procedures documentation are present, as these are legal requirements for plug-in vehicles. A pre-purchase inspection by a BMW specialist or a garage with hybrid system diagnostic capability would be highly advisable to read the live data from the high-voltage battery management system and confirm the state of health of the hybrid components, which fall outside the scope of the MOT test entirely.