Rear Bumper Diffuser suitable for BMW 4 Series F32 F33 F36 (2013-2019) Coupe Cabrio M Performance Design Carbon Film Coating Left Double Outlet IntroThis double outlet air diffuser is meant to add a sporty touch on your BMW 4 Series.Suitable forBMW 4 Series F32 (2013-2019) 2-door coupe equipped with M Tech Sport PackageBMW 4 Series F33 (2013-2019) 2-door convertible equipped with M Tech Sport PackageBMW 4 Series F36 (2013-2019) 4-door sedan (Gran Coupe) equipped with M Tech Sport PackageNot suitable forBMW 4 Series F32 (2013-2019) 2-door coupe equipped with standard rear bumperBMW 4 Series F33 (2013-2019) 2-door convertible equipped with standard rear bumperBMW 4 Series F36 (2013-2019) 4-door sedan (Gran Coupe) equipped with standard rearDescriptionDouble outlet diffuser M Performance crafted in high quality polypropylene.Great Looking and Stylish Shape, upgrade to M PerformanceOutlet diffuser dimension: 16.5 cm.The air diffuser does not require priming and painting.Coates with high qu