Notice :.Specifications :Color : BlackMaterial : High Real Carbon FiberAttachment Method : Screws, Replacement,AdhesivePlace on Vehicle : Rear, LowerQuantity : 3pcs/setManufacture Type : Aftermarket ProductsFitment : For BMW 1 Series E82 1M / E88 1M Coupe 2011-2013NOTE : DO NOT fit for m sport or standard bumper models Package Includes :3pcs/set RZ Style Rear Bumper Diffuser Lip KitFeatures :- The technology of autoclave moulding 3X3 twill weaven.- and high .- According to the original factory specifications.- Gives your vehicle a 0style and appearance.- Appropriate Modificataion is required.Note :1. Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm)2. No installation instruction included, professional installation is highly recommended Important Notice : all of our products are required to be installed in professional Modification car shop , NOT every car shop can make it ,Small install gap is Allowed