Brand new and never used, directly replaces the old one and easy installation.
Fitment: for BMW 228i Base 2.0L L4 - Gas 2014-2015,for BMW 228i xDrive Base 2.0L L4 - Gas 2015,for BMW 320i Base 2.0L L4 - Gas 2013-2015,for BMW 320i xDrive Base 2.0L L4 - Gas 2013-2015,for BMW 328i Base 2.0L L4 - Gas 2012-2015,for BMW 328i GT xDrive Base 2.0L L4 - Gas 2014-2015,for BMW 328i xDrive Base 2.0L L4 - Gas 2013-2015,for BMW 428i Base 2.0L L4 - Gas 2014-2015,for BMW 428i Gran Coupe Base 2.0L L4 - Gas 2015,for BMW 428i xDrive Base 2.0L L4 - Gas 2014-2015,for BMW 428i xDrive Gran Coupe B
OE Number: 11537633476;11538636594
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.