This Duraflex rear wing trunk lid spoiler is perfect for BMW enthusiasts who own a 1999 - 2005 3 Series M3 E46 4DR. It can be used when you want to enhance the appearance of your car or improve its aerodynamics during high - speed driving. The spoiler is made of FRP material, which is both lightweight and strong. Although the exact size and weight are not provided, you can expect it to be a great addition to your BMW that won't add too much extra bulk.