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How to Remove the Outside Temperature Sensor on a BMW 3 Series

Model: BMW Serie 3 E46 - Years 1998-2006
Part: Engine coolant temperature sensor

Let's see how to remove the outside temperature sensor on a BMW 3 Series. Lift the car on a column lift and remove the wheel. To remove the temperature sensor, you need to take off the lower engine cover. Unscrew the bolts with a socket wrench, then remove the plastic underbody shield located under the bumper. Disconnect the power connector from the temperature sensor, remove it, and install a new one. Reinstall the engine cover panel under the car with all the attached bolts. Test the proper operation of the sensor by starting the car.

Updated on 11 March 2026 by ScegliAuto

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