Description ADRO A14A10-1501 Trunk Spoiler for BMW M4 (F82) 2015-2020 This carbon fiber spoiler sits higher than the factory spoiler and has beveled edges. Plus, you may even feel a slight increase in downforce over the OEM counterpart due to its raised and more aerodynamic design that allows more air to pass under the fender, creating more downforce. This carbon fiber spoiler is one of the easiest parts to install and will immediately take your car to the next level of performance and design. What’s in the box - Carbon Fiber Trunk Spoiler - 3M Tape - Installation manual