Notice :Please kindly check your car model and make sure the model fits in case of buying the wrong product.Specifications :Color : BlackMaterial : High Real Carbon FiberAttachment Method : Adhesive, Add OnPlace on Vehicle : Rear, TrunkQuantity : 1pcs/setManufacture Type : Aftermarket ProductType : M4 Style Rear Spoiler Wings LipFitment :-For BMW 4 Series F33 2 Door Convertible 428i 430i 435i 440i xDrive 420i 2014-2020-For BMW M Series F83 M4 Convertible 2014-2020NOTE : Will Not fit Coupe or GRAN COUPE!Package Includes :1pcs/set Rear Trunk Spoiler WingFeatures :- and high .-Fits like OEM, gives your car a unique LUXURY look..-No Modification or Cutting Required.-Easy to Install with Tapes Which was Included.-M4 Style, Made of Real Carbon Fiber on surface with Best , improves your vehicle's exterior styling.Warm reminder :If the double-sided adhesive paper does not stick, it is normal, you just only need to heat the adhesive paper with a heat gun.Important Notice : all of our products are required to be installed in professional Modification car shop , NOT every car shop can make it ! Our products are modified car parts , NOT original products ,Small install gap is Allowed !