Engine Coolant Thermostat Assembly For BMW E46 E60 E38 E83 E39 E36 OEM 11531437040 J

The method to distinguish whether the Engine Coolant Thermostat Assembly is good or bad is:
1. According to the method of judging whether the thermostat is good or bad according to the car, it can be judged directly in the car without removing the engine coolant thermostat housing assembly from the engine, and judge through the temperature difference between the upper and lower water pipes;

2. The thermostat housing assembly is disassembled and inspected, and the temperature at which the thermostat is opened is measured by boiling the thermostat after being removed from the engine. Automobile thermostat is a valve that can control the flow path of engine coolant. This product automatically adjusts the amount of water entering the radiator according to the temperature of the cooling water to ensure that the engine works within a suitable temperature range and can save energy.