Jcsportline Carbon Fiber Front Center Lip Chin Spoiler fits BMW 5 Series F10 M5 Bumper 2011-2017 Material:Made of light weight and high quality carbon fiber. Fitment:This Front Chin Spoiler fits for 5 Series F10 M5 Bumper 2011 2012 2013 2014 2015 2016 2017. Package including: 1 pc front spoiler,self adhesive tape. Installation:This Front Chin lip is installed with self adhesive tape and self tapping screws. This Front Chin Spoiler can reduce air flow into the vehicle, and enhance stability. Please check the item and accessories in the package. Preparatory work(electric hand drill,3MM drill,screwdriver,screws.) Rise the car with lift,two people hold the front lip and let it align with the front bumper,another person put the front lip to the best location and press it tightly. People on both sides hold the front lip and another person aims at the preformed holes on the bottom of the front lip with 3mm electric hand drill and start drilling. Fix the front lip with self tapping screws through the holes,and ensure the screws are tightened. Use the same way to drill both sides and tighten the screws,and the installation is complete.