Why This BMW 4 Series Wins? This 2018 BMW 4 Series 420d M Sport Convertible delivers a refined open-top driving experience with the perfect balance of performance, comfort, and style. Powered by a smooth and efficient 2.0L Euro 6 diesel engine, it offers strong everyday usability while retaining the sporty character expected from the M Sport trim. Premium features include Park Distance Control with both front and rear sensors, ensuring confident manoeuvring, along with crisp LED headlights for excellent visibility. Inside, dual-zone automatic climate control keeps every journey comfortable, while the sought-after Convertible Comfort Package adds a heated steering wheel — a true benefit on cooler days or late-evening drives. The combination of the M Sport trim and the Comfort Package sets this 420d apart from similar convertibles, offering superior year-round usability and a more luxurious open-top experience. It blends a sporty aesthetic with practical convenience, making it an ideal choice for drivers who want style without sacrificing daily comfort. Your Peace of Mind? - Clear vehicle history check - Optional 3–36-month extendable warranties - Free 12-month AA roadside assistance - Fully prepared to showroom standard with its existing MOT and servicing, and we can organise any further MOT or service enhancements at your request. - Drive Away, Insurance Available - No hidden or extra costs, like admin fees Autotrader's 2024 Insights: Top 3 4 Series Buyer Priorities: - Sporty driving feel - High-quality interior - Desirable equipment - This 420d M Sport Convertible delivers on all three, offering engaging performance, BMW's premium cabin finish, and standout features like the Comfort Package and LED lighting — making it a compelling option in its class. Stress-Free Next Steps: - Free Part Exchange Valuation - £0 Deposit Car Finance – Includes free credit checker - Reserve for £99 – Fully refundable