Rear Spoiler Wing Compatible with 2013-2020 BMW 4 Series F32 420i 430i 428i 435i Coupe Exterior Accessories M4 Style, ABS Plastic Gloss Black. 2、Sleek Aerodynamic suitable: Inspired by the Performance model, this rear spoiler enhances the sporty appearance of your BMW 4 Series F32 Coupe while improving aerodynamic efficiency and stability at high speeds.