BMW 4 Series G26 GranCoupe 2020+ Carbon Fiber Aero Body Kit by CarGym 4 Series G26 AC Style Dry Carbon Fiber Roof Spoiler BMW G26 430i M440i i4 M50 Performance Style Carbon Fiber Trunk Spoiler G87 M2 G42 2 Series SQ Style Dry Carbon Fiber Roof Spoiler BMW G26 430i M440i Gran Coupe 4 Series i4 M50 DTM Style Full Carbon 4 Series G26 VS Style Carbon Fiber Trunk Spoiler Veek Tuning. NWCarbon Haus Dry Carbon 4 Series G26 AC Style Dry Carbon Fiber Roof Spoiler. Constructed of pre preg carbon fiber using state of the art technology to ensure perfect fitment and quality every time. 3 4 weeks lead time