Notice :.Specifications :Color : Glossy BlackMaterial : High ABS PlasticAttachment Method : ReplacementPlace on Vehicle : Rear, LowerQuantity : 1pcs/setManufacture Type : Aftermarket ProductFitment : For BMW F80 M3 F82 F83 M4 2015-2020NOTE Only fits for the original factory M3 / M4 Bumper No help if your car model is modified or facelift 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 Package Includes :1pcs/set 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