iCBL Real Carbon Fiber Rear Bumper Side Splitter extensions for Most BMW Models. Please specify your BMW year and model before ordering so we can send you the correct size that fits your car. E90 E92 E93 F80 F30 3-Series and M3 - Made of Real Carbon Fiber Twill Weave mixed with Fiberglass for Extra durability - Package Includes 2 Pieces of Carbon Fiber Rear Bumper Splitter Extensions (Left & Right) - Very Simple Installation ( Double sided tape & Screws Provided ) Either or works! - Inexpensive and easy to install, for a little time and money you can improve your BMWs appearance and aerodynamics. Fitment: 2007-2018 BMW E90 E92 E93 F30 F80 3 series. All Models 320i, 325i, 328i, 330i, 335i, 335is, 340i, m3