Seibon Fender Ducts - FD1012BMWF10 are the perfect addition to your BMW F10 5-Series. These lightweight carbon fiber fender ducts will not only add a touch of style to your vehicle, but will also help to keep your brakes cool. They are designed to fit perfectly and are easy to install. With an aggressive design and durable construction, these fender ducts will make your BMW stand out from the crowd.