Brand new and never used, directly replaces the old one and easy installation.
Fitment: for BMW X1 2012-2017, for BMW X3 2013-2017, for BMW Z4 2012-2016, for BMW 528i 2012-2016, for BMW 428i 2014-2016, for BMW 328i 2012-2016, for BMW 428i Gran Coupe 2015-2016, for BMW 428i xDrive Gran Coupe 2015-2016, for BMW 320i xDrive 2017
Good Replacement: The engine's thermostat regulates the temperature of the engine by controlling coolant flow. A bad or failing thermostat: high temperature reading and engine overheating, low temperature reading and underheated engine, temperature changing erratically, coolant leaks around thermostat housing or under the vehicle. How to fine thermostat: You can find your car's thermostat by starting at the upper radiator hose and following it to where it enters the top of the engine.
