This front lip spoiler air dam is perfect for BMW X3 and X4 owners from 2015 - 2017 who want to upgrade their car's appearance. It's great for those who often drive on city roads or highways and want to make their vehicle stand out. The spoiler is made of FRP material, which is both lightweight and strong. It's a one - piece design that fits the M Package bumper of these BMW models. Professional installation is needed to ensure a perfect fit.