These F15 X5 and F85 X5M carbon fiber side skirt extensions are the perfect final piece for your vehicle if you already have an RW Carbon fiber front lip and diffuser. Each pair of carbon fiber side skirts is hand crafted from 2×2 carbon fiber that will perfectly match any other RW carbon or OEM parts you have on your vehicle. Installation can be completed in under 1 hour and simply requires self tapping screws, which are included with every purchase. Buy with confidence, just like all of our other items, these X5/X5M carbon fiber side skirt extensions are backed with our fitment and quality guarantee. For customer satisfaction all side skirts are checked prior to shipment, we stock this item at our Southern California warehouse. These side skirts fit all 2014-2018 BMW F15 X5 M Sport models and the 2015-2018 F85 X5M. Please contact us if you have any questions.