These side skirt rocker panels are perfect for BMW X5 owners from 2014 to 2018 who want to enhance the look of their car. Whether you're driving around the city or on a long - distance trip, these panels will make your BMW stand out. They come in a 2 - piece set. The material used is FRP, which is strong and can withstand normal wear and tear. Professional installation is needed to ensure a perfect fit.