Sorry to resurrect this old thread, but I am having the same problems described but my x is higher milage so isnt covered in the 8/80 warranty. What would I be looking at to have this fixed at the stealer? I am going to try some of the cleaning first to see if that fixes it, but i want to know what to be prepared for if it is more than just dirty. Thanks!!

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'03 X5 3.0 -Stahlgrau-