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How to Replace the Coolant Temperature Sensor on a BMW 3 Series

Model: BMW Serie 3 E46 - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Part: Engine coolant temperature sensor

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Video tutorial

Before you begin, open the hood of your BMW 3 Series. Start by disconnecting the electrical connector of the sensor by simply pulling it towards you. Once done, unclip the metal clamp connected to the hose near the sensor.

Next, press the clip attached to the connector on top of the sensor to remove it. After completing this step, press the side clips of the sensor to free it. Once the sensor is free, remove it to finish the disassembly. To install the new sensor and close everything up, simply follow these steps in reverse, and you will have completed the replacement.


Updated on 4 May 2026 by ScegliAuto


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Follow these brief instructions to activate the automatic folding and unfolding of the external wing mirrors on the Jeep Compass. First, get inside the vehicle and turn on the ignition; then press the button located beneath the mirror glass adjustment to electrically open the mirror, as shown in the video. Pressing the button in the opposite direction will close the mirrors; by holding the button, the mirrors will open and close automatically!

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by ScegliAuto

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