Use this rear bumper cover when you want to upgrade the look of your 1999 - 2005 BMW 3 Series E46 4DR. It's perfect for car enthusiasts who love to customize their vehicles. The bumper is made of FRP material, which is lightweight yet strong. While exact dimensions aren't provided, it's designed to fit the 4 - door BMW 3 Series E46 from 1999 - 2005 perfectly.