Feature:The coolant reservoir is attached to the radiator and the engine with hoses and is an important component of the cooling system, which holds the excess coolant fluid used to cool the engine.When a coolant expansion tank has any issues it can lead to issues that: Constantly low on coolant, coolant leaks, engine overheating.This is a non-OEM product, accessory only!Specification:Type: Coolant Radiator Reservoir TankPart Number: 17137567462Size: 29x26.6x15.7cm / 11.42"x10.47"x6.18"(L*W*H)Fitment:for BMW 128i 2008-2013 3.0L L6 - Gasfor BMW 135i 2008-2011 3.0L L6 - Gasfor BMW 328i 2007-2013 3.0L L6 - Gasfor BMW 328i xDrive 2009-2013 3.0L L6 - Gasfor BMW 335i 2007-2013 3.0L L6 - Gasfor BMW 335i xDrive 2009-2013 3.0L L6 - Gasfor BMW 335is 2011-2013 3.0L L6 - Gasfor BMW M3 2008-2013 4.0L V8 - Gasfor BMW X1 2014-2015 2.0L L4 - Gas, 3.
