The product is a pair of OEM windshield wiper arms with wipers designed specifically for the 2011-2016 BMW F10 528i, 535Xi, and 550Xi models. The arms are positioned on the windshield, with one arm for the left side and one for the right. Manufactured by BMW in Germany, these wiper arms are easy to install and feature a genuine BMW brand. The superceded part numbers are 550, 528535, 535, and 528, making them a perfect replacement for your vehicle.