This Duraflex rear bumper cover is perfect for car enthusiasts who want to give their 2006 - 2011 BMW 3 Series E90 4DR a sporty M3 look. Whether you're cruising around town or hitting the track, this bumper will enhance your car's style. It's made of FRP material which is lightweight yet strong. Although the exact size and weight aren't given, it's a 1 - piece cover that's designed to fit your BMW precisely. Keep in mind that you might need to modify the exhaust on some models, and professional installation is a must.