Litens 900668A Accessory Drive Belt Idler Pulley. Part designed for BMW applications. Accessory Drive Belt Idler Pulley. Fits what vehicles: 2011-2013 BMW 135i, 2011 BMW 335i, 2011-2014 BMW 335i xDrive, 2013 BMW 135is, 2013-2015 BMW X1, 2014 BMW 335i GT xDrive.
