Specification: Material:Carbon Fiber Surface Finish:Carbon Fiber Process: Vacuum molding Pattern: 3X3 twill weave Installation : with glue tape Package : Polyfoam box Fitment: 1.For BMW 3 Series E46 316i 318i 320i 323i 325i 328i 330i M3 Sedan 4-door 1998-2005 2.3*3 Twill Weave Carbon Fiber material, with polished and shinning surface, ten times tough than steel 3.High Quality UV-Protected Clear Coating, Surface is smooth and shiny,enhance the appearance of the vehicle 4.3D design,CNC moulding,test installation on real cars, fitment 100% guaranteed 5.Car rear trunk spoiler are designed to factory specifications for easy installation and clean,installed with self-adhesive tape. 6.Impresses with its fitting accuracy and emphasizes the sporty lines of your car,stylish design gives a customized look 7.Add downforce, detach airflow, enhance stability, reduce fuel consumption 8.Embedded packaging,damp-proof,shockproof & crashproof