Description:

FITMENT: The coolant tank reservoir fits for 2011 for 1 Series M 2008-2013 for 128i 2008-2010 for 135i 2006-2011 for 323i 2006 for 325i 2006 for 325xi 2007-2013 for 328i 2009-2012 for 328i xDrive 2007-2008 for 328xi 2006 for 330i 2006 for 330xi 2007-2010 for 335i 2009-2010 for 335i xDrive 2011-2013 for 335is 2007-2008 for 335xi 2012-2015 for X1 2009-2016 for Z4. PERFECT FIT: The coolant overflow tank recovery bottle direct replacement for a proper fit every time.. ADVANTAGE: The expansion tank is used in the closed water circulation system to balance the water volume and pressure avoiding frequent replenishment of the automatic water supply valve.. BENEFIT: Help to reduce oil dilution cylinder bore wear fuel consumption and improve efficiency of the heating system..