BMW Z4 E85 PIAA Si-Tech Silicone Wiper (21"/20")

PIAA. All Season Performance. Low Profile, Aerodynamic Design. Frameless Design Eliminates Snow And Ice Build-Up. More Pressure Points For Streak-Free Wiping. Long-Lasting Silicone-Coating Action. Applications For 98 Of All Vehicles. Check your wiper size before purchase. The. PIAA Si-Tech Silicone Technology). Flat Wiper Blade, a modern, frameless design that delivers all-season performance, thanks to PIAA s patented silicone impregnated rubber blades. The key to the PIAA Si-Tech s performance is its frameless design that creates more pressure points across the entire length of the blade for streak-free wiping. Moreover, the design eliminates snow and ice build-up. It is heat and ozone resistant, and its silicone rubber continually reapplies an active silicone coating on the windshield, assuring streak-free, quiet operation