Use these rear bumper add - ons when you want to upgrade the look of your 2007 - 2013 BMW 3 Series E92 E93 2DR convertible. They're perfect for BMW enthusiasts who love to customize their cars and make them stand out. The add - ons are made of FRP material, which is lightweight yet durable. While the exact size and weight aren't specified, you can expect a well - fitting and easy - to - handle product. Just remember, professional installation is a must.