2021 BMW M340I Xdrive Mhev Auto 3.0L Hybrid electric (clean) · AW21 DSU

The vehicle presents a stable and sound roadworthiness status, culminating in a clean pass on 8 August 2025 at 39,650 miles with zero defects recorded. The maintenance trend remains consistently positive, showing no recurring mechanical or structural faults across the recorded history. Notably, the MOT record features two failed tests on 7 May 2025 and 15 May 2024, both at 38,437 miles and 29,043 miles respectively, yet neither failure lists any specific defects. These anomalies likely represent administrative errors or rectified minor issues passed on retest the following day, rather than underlying mechanical deterioration. Overall, the data indicates a well-maintained MHEV powertrain and chassis free from persistent faults. The mileage accumulation aligns perfectly with typical usage for a vehicle of this age, averaging roughly 7,930 miles annually. Between the May 2024 test at 29,043 miles and the May 2025 test at 38,437 miles, the car covered 9,394 miles over twelve months, demonstrating consistent, regular use rather than prolonged standing. A further 1,213 miles were added in the three months leading to the August 2025 test, confirming ongoing, steady deployment. There are no alarming gaps in the MOT record that would suggest the vehicle sat idle for extended periods, nor any sudden spikes in mileage indicative of high-intensity long-distance commuting. Despite the pristine MOT record, a physical inspection remains essential for a performance saloon of this calibre. The absence of historical advisories does not preclude current wear on consumables such as brake discs, pads, and tyres, which degrade predictably given the nine thousand miles covered in the last year. The mild hybrid system requires scrutiny; check the 48-volt battery health and ensure the regenerative braking system operates without hesitation. Examine the suspension bushes and coil springs for any signs of deterioration, alongside a thorough assessment of the exhaust system for corrosion. Given the lack of structural advisories in the paperwork, verify the underbody condition personally to ensure no undocumented damage or rust has developed since the August 2025 test.