Notice :.Specifications :Color : Carbon Fiber Look, Not real carbon fiber Material : High ABS PlasticAttachment Method : Replacement, ScrewsPlace on Vehicle : Rear, LowerQuantity : 1pcs/setManufacture Type : Aftermarket ProductFitment : For BMW 2 Series F22 F23 2 Door Coupe 2014-2021Package Includes :1pcs/set Quad Exhaust Style Rear Bumper Diffuser LipFeatures :- and high .- According to the original factory specifications.- Gives your vehicle a 0style and appearance.- No Modification or Cutting 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 3. 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