2017 BMW 420 2.0L Petrol · YF67 HFH

The most recent MOT test for this 2017 BMW 420 occurred on 2025-11-18 and resulted in a clean pass, marking the vehicle’s most recent inspection without any recorded defects. However, the preceding MOT history reveals a pattern of recurring advisories, particularly concerning tyre wear and condition, which suggests a maintenance trend that has not been fully resolved. While the vehicle has passed each test since 2022, the persistent edge wear and inner-edge tread loss on multiple tyres indicate ongoing or unresolved issues with alignment, suspension geometry, or driving habits that contribute to uneven tyre degradation. The presence of both near-side and off-side advisories on front and rear tyres further implies a potential misalignment or suspension component failure, such as worn control arms, strut mounts, or bushings, which could exacerbate long-term wear if not addressed. The earlier exhaust emissions failure in 2020 also highlights a history of catalytic converter or sensor-related issues, which may recur if not serviced. The recorded mileage of 26,389 miles for a vehicle aged nine years represents a relatively low annual usage rate of approximately 2,932 miles per year, which is unusually low for its age and model. Such low mileage often suggests periods of prolonged stationary use, particularly if the vehicle was parked in a garage or climate-controlled environment, which can accelerate wear from factors like tyre perishing, battery degradation, and fluid ageing. However, the absence of higher mileage accumulation over the past few years does not necessarily indicate robust maintenance; instead, it may reflect a lack of regular operational exposure, potentially leaving critical systems like the exhaust, suspension, and brakes in a state of reduced but not necessarily negligible wear. The low mileage record also raises questions about whether the vehicle was subjected to aggressive driving conditions or frequent short trips, which can stress components like the alternator, cooling system, and brake pads more than steady, long-distance driving. For a prospective buyer, the most critical areas to inspect in this 2017 BMW 420 are the tyres, suspension, and exhaust system, given the recurring advisories and failure history. Begin by examining the tyres for signs of further edge wear or inner-edge degradation beyond the current advisories, particularly on the rear tyres, which have shown consistent cracking or perishing in previous MOTs. Look for sidewall cracks, dry-rotting rubber, or uneven tread wear patterns that may indicate misalignment or suspension issues. On a test drive, listen for unusual suspension noises such as clunks or rattles, especially when cornering or over bumps, which could signal worn control arm bushings, broken coil springs, or binding calipers. Inspect the exhaust system for any signs of corrosion, particularly around the catalytic converter and oxygen sensors, as the 2020 emissions failure suggests a history of potential issues that may recur if the vehicle was driven under varying conditions. Additionally, check for any fluid leaks under the vehicle, particularly around the brake lines, power steering reservoir, and oil cap, as fluid degradation and contamination can accelerate component failure. Beyond the mechanical checks, this vehicle’s low mileage profile means age-related wear and tear may be more pronounced than in similarly aged higher-mileage examples. Inspect the tyre sidewalls for signs of perishing or cracking, which can compromise structural integrity and increase the risk of sudden failure. Verify the condition of the 12-volt battery and alternator, as prolonged disuse can lead to weak or dead batteries, and check for any corrosion on terminals or connectors. The brake system should be inspected for signs of corrosion on discs, particularly near the callipers, which can cause binding or reduced braking efficiency. Given the vehicle’s age, consider checking the service book for the last scheduled fluid servicing, including the engine oil, transmission fluid, and coolant, as these fluids degrade over time even with low mileage. Finally, perform a visual inspection of the suspension components for signs of rust or excessive wear, and ensure all fasteners are tight, as prolonged standing can lead to loosening or corrosion in critical areas. If possible, arrange for a professional inspection of the exhaust system and emissions components to confirm the resolution of the 2020 failure and assess the current health of the catalytic converter and sensors.