AMCC Belt Tensioner Assembly with Pulley Compatible with BMW 11-17 X3 ,11-18 X5 ,08-19 X6, 14-15 335i , 11-16 535i L6 3.0L Engine Code N55 Replace:7599097,11288604266 [Vehicle Fitment]: Compatible with BMW 335i/435i xDrive 2014-2015, 335i xDrive/740i/740Li/740Li xDrive 2013-2015, 535i/535i xDrive 2011-2016, 535i GT 2010-2017, 535i GT xDrive/X3 2011-2017, 640i 2012-2018, 640i Gran Coupe 2013-2019, 640i xDrive 2014-2018,640i xDrive Gran Coupe 2014-2019, 640i xDrive Gran Turismo 2018-2019, M2 2016-2020, M235i/435i/335i GT xDrive 2014-2016, M235i xDrive/435i xDrive Gran Coupe/435i Gran Coupe 2015-2016, X4 2015-2018, X5 2011-2018, X6 2008-2019---L6 3.0L [Reference Number]: 11287599097, 11288604266, 7599097, 8604266, 39389, V202773 [Specifications]: ①Pulley Quantity: 1; ②Belt Type: V-Ribbed; ③Outside Diameter: 70(mm); ④Bearing Bore Inside Diameter: 17(mm); ⑤Width: 32(mm) [OE Performance]: Perfect match with the original part for sturdy and durable construction. Maintain proper belt tension and rotate smoothly and quietly AMCC products are guaranteed for one year after sale，100% inspection and testing prior to shipment