Feature: 1.Fit for BMW 1Series E82 M Base Coupe 2-Door 2011UP 2.New Manufacturing Process, Vacuum moulding, more lightweight and durable than other ordinary carbon parts 3.High quality and light weight 3K carbon fiber, with polished and shinning surface and UV-Protected Clear Coating, high strength, impact resistance fade and rust resistant 4.Car rear bumper diffuser are designed to factory specifications for easy installation and clean,Direct Replacement ,Snap-in type,easy installation by Self-Tapping Scews included in the package 5.Light and high intensity, with fashion and smooth appearance, Provide Exterior Sporty Look of your car 6.Personalize and update your car, enhance the appearance of the vehicle, gives a customized look 7.Maintain the stability of the vehicle when in high speed.