Notice:Please kindly check your car model and make sure the model fits in case of buying the wrong product.Specifications :Color : Glossy BlackMaterial : High ABS PlasticAttachment Method: Adhesive,ScrewsPlace on Vehicle : Rear,LowerQuantity: 1pcs/setManufacture Type: Dual Exhaust Rear Bumper Diffuser LipFitment : For BMW 1 Series F40 2019-2023Package Includes :1 pcs/set Rear Bumper Diffuser Splitter LipFeatures:- and high .-According to the original factory specifications.-Gives your vehicle a new style and appearance.-Perfect cover that is useful, flexibility and so practical.-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!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 !