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How to Replace the Timing Belt on the BMW X3

Model: BMW X3 E83, MK 1 - Years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Part: Timing belt

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Unlatch and lift the hood, then you will need to remove all the parts above the area where you will be working. As shown in the video, you can remove the screws to take off the upper panels.

Now you need to remove the air filter cover from the engine. In any case, you will need to remove all obstructing parts until you reach the belt.

In the diagram, you can see which pulley acts as the tensioner, so loosen it to remove the belt. Once the tension is off the belt, you can take it out and replace it without issues.

Retrace the steps in reverse for reassembly of the various components.


Updated on 24 February 2026 by ScegliAuto


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