Windshield Sun Shade The WeatherTech 97-03 BMW 528i TechShade Windshield Sun Shade is a custom-fit sun shade designed to provide maximum protection for your vehicle's interior. It is made from a durable, reflective material that blocks UV rays and reduces interior heat buildup. It can be easily folded for storage when not in use and features a secure fit with a hook and loop fastener. The TechShade also features a patented suction cup system that helps keep it securely in place. It is designed to fit all 97-03 BMW 528i models.