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Where is the coolant temperature sensor located in the 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

In this video, you can see where the coolant sensor is located in the BMW 3 Series E46, useful if you need to replace it. As shown, the sensor is positioned at the front right of the engine, to your left when looking at the vehicle from the front. It is located right on the lower radiator hose and is easily recognizable.

To remove it, first ensure the engine is completely cool, then disconnect the power connector and unscrew it. Once the replacement is installed, you will need to top off the coolant.


Updated on 29 June 2026 by ScegliAuto


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To open the fuel flap on a Volkswagen Tiguan, first unlock the car using the appropriate button on the remote. This will open the car and unlock the mechanism that controls the fuel flap. At this point, apply light pressure to the left side of the flap to open it and access the cap underneath. Once this is unscrewed, you can refuel and then close everything.

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by ScegliAuto

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