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How to Replace the Temperature Sensor on a BMW 3 Series

Model: BMW Serie 3 E91, E90, E92 - Years 2005-2013
Part: Engine coolant temperature sensor

This guide will show you how to remove and replace the coolant temperature sensor on a BMW 3 Series. First, open the hood of your car and disconnect the electrical connector of the coolant temperature sensor, located next to the plastic cover. Then, use a wrench to remove the faulty sensor, as shown in the video. At this point, remove and replace the temperature sensor with the new one, as well as the original; secure them and reconnect the electrical connection!

Updated on 20 July 2026 by ScegliAuto

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