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Thermostat Assembly with Housing Compatible with BMW: 1999-2000 323i, 2000 323Ci , 2001-2006 325Ci , 2001-2005 325i , 2001-2005 325xi , 2000 328Ci , 1999-2000 328i , 2001-2006 330Ci , 2001-2005 330i , 2001-2005 330xi , 2001-2005 525i , 1999-2000 528i , 2001-2005 530i , 2004-2006 X3 , 1999-2002 Z3 , 2003-2005 Z4 , 2001-2006 X5
Replace Number: 11537509227
Upgraded replacement: This integrated coolant thermostat housing assembly is made of metal/aluminum to increase durability
Complete repair comes with thermostat housing, thermostat, and gasket
Purchase with confidence: If you are not sure about the vehicle fitment or any questions or concerns, please message us via amazon. We will resolve the issue to meet your satisfaction
