Belt - Water Pump/Alternator 7K X 1647 for M550i xDrive (2018-2023), X6 (2008-2023), Alpina B8 Gran Coupe (2022-2024), M850i xDrive Gran Coupe (2020-2024), M850i xDrive (2019-2024), X7 (2019-2022), 750i xDrive (2010-2022), X5 (2010-2023), Alpina B7 (2011-2022), Alpina XB7 (2021-2022), 650i (2012-2018), 650i Gran Coupe (2013-2019), 650i xDrive (2012-2018), 650i xDrive Gran Coupe (2013-2019), Alpina B6 xDrive Gran Coupe (2015-2019), 750i (2009-2019), 550i GT xDrive (2010-2017), Alpina B7 xDrive (2011-2015), Alpina B7L (2011-2015), Alpina B7L xDrive (2011-2015), 750Li xDrive (2010-2015), 750Li (2009-2015), 550i (2011-2016), 550i GT (2010-2015), 550i xDrive (2011-2016)