Add style and aerodynamic performance with a our rear spoiler. Transform the look and profile of your BMW, with streamlined designs that greatly improve your car’s appearance & can provide improved downforce and handling characteristics. ---Adds an aggressive look to your X4, whilst improving aerodynamics & downforce ---Designed to offer perfect fitment with no modifications required ---Crafted from high-quality OEM-grade materials ---Supplied with 3M tape for easy installation ---Finished in gloss black ready to be fitted Fitment: BMW X4 SUV - G02 - 2018+.