Use this hood when you want to upgrade the look of your 2007 - 2010 BMW 3 Series convertible. It's perfect for car enthusiasts who love to customize their vehicles and show off a unique style. The hood is made of carbon fiber, which is lightweight yet strong. As for technical details, while exact size and weight aren't given, carbon fiber generally makes it lighter than traditional materials, and it's designed to fit your specific BMW model precisely.