BMW 420i Coup specs (2016) The 2016 BMW 420i M Sport Coupe is a stylish, 2-door luxury coupe powered by a 2.0-liter turbocharged 4-cylinder engine. It features the M Sport package's aggressive styling, stiffened suspension, and 18-inch wheels, offering a sporty, planted driving experience. M Sport Features: Includes M aerodynamic bodystyling, high-gloss Shadowline exterior trim, M Sport leather steering wheel, and sport seats. Handling: Features a lower center of gravity than the 3 Series for sharper handling, with sport-tuned suspension that balances comfort and firmness. Interior & Technology: Driver-focused cabin with iDrive system, Bluetooth, DAB radio, and heated seats. Exterior: LED taillights, xenon or LED headlights with daytime running lights. Driving Dynamics: Driving Experience Control (ECO PRO, Comfort, Sport, Sport Plus).