Bmw Water Temperature Sensor

Bmw e90 2006 330i keep losing coolant replaced expansion tank now no visible leaks but temperature low coolant light keeps coming on and engine still keeps over heating could it be the water pump or temperature sensor also notice bubbles when topping coolant up and coolant keeps increasing and decreasing does it need bleeding.

Bmw water temperature sensor.

Remove the coolant temperature sensor. Make sure to clean the sensor s insert area before you reinstall the temperature sensor. Explains and demonstrates how to replace the outside temperature sensor. Repair and replacement of the temperature sensor.

I ve done this tutorial on my e92 320i. How to change the temperature sensor on a bmw k75 100. But it will also work o. The sensor controls the fan but more importantly it controls the ecu for the fuel injection.

Here is tutorial on how to check and monitor bmw coolant water temperature on board screen. Using a drive socket and extension and the correct sized socket usually 19mm loosen the sensor from the engine block and remove it entirely.