1、OE Number: The referencing OE number of this turbocharger auxiliary water pump are 11517629916, 11517584219, 11517589636, 11517604528, 11517604529,64119253913, 41561E, 1159030, 7.04077.34.0. 2、Fitment: The engine auxiliary coolant water pump is a replacement for F10 F07 F12 550i, for 550i Base Sedan 4‑Door 2011‑2016, for 550i GT Base Hatchback 4‑Door 2010‑2015. 3、Efficient and Stable: The pump could ensure stable operating performance and can provide strong and uniform water flow to ensure the normal operation of the engine cooling system. 4、Durable and Long Lasting: The material is sturdy, anti corrosion and wear resistant, and resists wide range of temperature changes, ensuring stable operation in various environments. 5、Ideal Replacement: Direct replacement installation, meets or exceeds OEM standards for the replacement of old and damaged one on original vehicles.