Notice carefully:-Please kindly check your car model and make sure the model fits in case of buying the wrong product.-The rear diffuser is modified part and not 100% match. Mind itPlease don't order, thanks Specifications : Color : Glossy black material : ABS PlasticAttachment Method: Adhesive,ScrewsPlace on Vehicle : Front, Rear,LowerQuantity: 5pcs/setManufacture Type: Aftermarket Product Fitment : For BMW F32 F33 F36 4 Series 2014-2020 (Models with M Sport Bumper)-Only Fits Model With M Sport Bumper -Won't Fit Regular Rear Bumper Or ConvertiblePackage Includes :4pcs/set Front Bumper Spoiler Splitter Lip1pcs/set Rear Bumper Diffuser LipFeaturesPerfect 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.