Temperature. Sensor. Switch. Coolant.
Location-Cylinder Head. Location-Thermostat Housing. Location-Water Pump. Temperature Sensor for Engine Coolant. Sending Unit. Double. Engine.
Engine Coolant Temperature Sensor
318, 323, 328. 318i, is, iC, ti. 323is, iC. 328 & 330i, Ci, xi. 4.4 LITER. 4.4, 4.6 & 4.8 LITER. 5.4 LITER. 525i, 528i, 530i. 528i. 540i. 750. 750iL. M3, 328is, iC. M5. Thermostat housing. X5. Z3.
Engine Coolant Temperature Sensor - Repair or Replace
If your engine coolant temperature sensor has failed, you may notice one of several symptoms: your temperature gauge doesn’t move, your engine overheats without warning, your radiator fans don’t switch on, or they don’t switch off. If your has any of these symptoms, it's a good idea to let a trained technician perform an inspection.