The WeatherTech 98-06 BMW 3-Series Front Side Window Deflectors in Dark Smoke are designed to help reduce wind noise and air turbulence. These window deflectors are made from a high-grade acrylic material and feature a dark smoke tint to help reduce glare. They are custom-molded to the exact specifications of your vehicle and are easy to install with no drilling required. The deflectors allow you to keep your windows open to enjoy fresh air circulation without the worries of rain or wind.