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The thermostat in a BMW f30 is located in the thermostat housing on the lower coolant line. This component is responsible for monitoring the temperature of the coolant flowing through the line to help determine the engine's operating temperature. A malfunctioning thermostat can lead to engine overheating, causing potential damage such as warping or cracking the head gasket, which can be very costly to repair. If the check engine light indicates an issue with the thermostat, it is essential to address it promptly. A full replacement usually costs around $200, so delaying the repair is not recommended.
The external temperature sensor of the BMW F30 is positioned in front of the vehicle's tires.