This is a replacement cylinder head valvetronic timing actuator motor with 10 pins.It is compatible with vehicles equipped with N20 or N55 engines, including the following models: X1 (2012–2015), X3 (2011–2012 Turbo; 2013–2016), X4 (2015–2016), X5 (2011–2016, N55B30A), X6 (2011–2016, N55B30A), Z4 (2012–2016, N20B20A), 135i (2011–2013), 228i (2014–2014 sedan; 2015–2016 coupe and convertible; 2015–2016 xDrive), 320i (2012–2015; 2013–2015 xDrive), 328i (2012–2013 sedan; 2014–2015 sedan, GT xDrive, and xDrive sedan; 2014–2015 xDrive), 335i (2011–2015; 2014–2016 GT xDrive and xDrive), 428i (2014–2016; 2015–2016 Gran Coupe and xDrive variants), 435i (2014–2016; 2015–2016 Gran Coupe and xDrive variants), 528i (2012–2016; 2012–2016 xDrive), 535i (2011–2016; 2010–2016 GT and GT xDrive; 2011–2016 xDrive), 640i (2012–2015; 2013–2015 Gran Coupe and xDrive variants), 740i (2013–2015), 740Li (2013–2015; 2013–2015 xDrive), ActiveHybrid 3 (2013–2015), ActiveHybrid 5 (2012–2016), ActiveHybrid 7 (2013–2015), M235i (2014–2016; 2015–2016 xDrive), M3 (2015–2016), and M4 (2015–2016).This part replaces OEM part number 11377603979.