Support & WARRANTY: 100% Quality Guarantee, if you are not satisfied with this item, let us know and we will offer a full refund or replacement. Installation Tips: with adhesive tape on the back, No damage to your car. Clean the surface of your car Before Install; Slightly heat Double-Side Adhesive with a hair dryer before pasting effect better; Pressing gently for about 1 minute after Pasting. Packages: 1pc/Set. Materials: Made of High Quality ABS Plastic,Surface Covered with Carbon Fiber. Compatible Vehicles: for BMW 3 Seriese E90 E91 E92 E93 2005-2012.