If you're a BMW enthusiast who owns a 1989 - 1995 5 Series, this front lip under spoiler air dam is perfect for you. It's great for daily driving as well as when you want to show off your car at car meets. The dam is made of FRP, which is a lightweight material. As for its size, it's designed to fit your BMW 5 Series E34 perfectly. Just remember, you'll need a professional to install it.