Specifications :Color : BlackPlacement on Vehicle : RearInstallation : Direct ReplacementMaterial : High ABS PlasticPackage Including : 1x Rear Bumper Diffuser LipFitment:For BMW F80 M3 Sedan 4DoorFor BMW F82 M4 COUPEFor BMW F83 M4 CONVERTIBLE 2015-2020Note: Only fits for the car with the original factory M3 / M4 Bumper!1) NOT for F30 F32 Or Modified M3 M4 !2) NOT for regular 3/4 Series!!!3) NOT for M-tech M-sport bumper or standard bumper !4) NOT for aftermarket bumper or the front bumper with fog light!!Features :- Easy install and durable use.- and high .- Strict control standards to Build and test.- Enduring, different optical line comes from different points of view.- It'll give you excellent look , Decorate your car charming luxury vivid.Installation :-Moving off bumper from car to fix the diffuser with screws through diffuser clips.-Replacement of original bumper ,and need to move off the orignal bumper to fix the diffuser with screws through the diffuser clips, to make sure perfit fittment.-Screws which included together with package.Note :- Instruction Not Included, Professional Installation Is Recommended.- Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm)- Please compare the pictures to make sure it fits before purchase,If you have questions, please contact us.