Fit For BMW X5 F15 M Sport 2014 2015 2016 2017 2018 Fender Side Air Vent Emblem Sticker Exterior Modification Parts Non-marking Adhesive Installation Plastic with multi-layer electroplating, no rust. No damage to the original car structure, no need to punch holes, just paste directly. Dynamic, aerodynamically-inspired louvers with a subtle upward curve, mimicking the lines of modern supercars. Designed not just for looks, they aim to manage air turbulence along the sides.