Trinity Autosport sells high quality competitive racing seats at a competitive price for your E9x (2006-2013) BMW. To install these racing seats is simple. There are two types of seats. The first is a side mount, which uses bracket that are installed to the floor and to the side of the seat. The second type is one that sits on top of rails and bolt in from the bottom. After purchasing needed parts, simply unbolt your factory rails and install new ones. Shop at Trinity Autosport today!