This 2018 BMW 4 Series 420i M Sport is a well-maintained vehicle that has been kept by only one owner from new. It features a 2.0-litre petrol engine that meets Euro 6 emission standards, making it a compliant choice for modern driving requirements. The car has covered a very low mileage of 31,349 miles and comes with a full dealership service history, with the most recent service completed on 24 March 2026 at 26,988 miles. For your peace of mind, the vehicle includes a three-month warranty and holds a valid MOT until May 2027. This model offers a practical balance of performance and efficiency, achieving 46 mpg alongside low CO2 emissions. The interior is designed for comfort and convenience, featuring automatic two-zone air conditioning and front electric seats with driver memory settings. Technology is integrated seamlessly, with a Bluetooth hands-free facility that supports USB audio and streaming. Driving is made easier in various conditions thanks to the rain sensor with automatic headlight activation, while front and rear park distance control provides assistance when manoeuvring into tight spaces.