This 2018 BMW 4 Series 420i M Sport is a well-maintained convertible that has had only two owners from new. With a recorded mileage of 31,269 miles, this vehicle offers a low-mileage option for those seeking a premium driving experience. It is powered by a 2.0-litre petrol engine that meets Euro 6 emission standards, ensuring it remains compliant with current environmental regulations. The vehicle is equipped with the Convertible Comfort Package, which includes a heated steering wheel, a warm air collar, and a wind deflector to enhance comfort during open-top driving. Practicality is also a key strength, as the car features a large boot space, which is often a challenge for convertible models. Efficiency is another notable benefit, with the engine capable of achieving 46 mpg alongside low CO2 emissions. Additionally, the inclusion of high-beam assistant technology provides extra convenience and safety during night-time journeys.