Just tested my water valves on the X and I get a very light thump when applying power to the separate terminals on the water valve. Not a loud clicking. Also, how can I test if the aux. water pump is turning? I didn't hear any noise. There are only three wires to the water valve. Two power yellow and a brown ground. Got 12 ohms when tested for cont. Any ideas? Should I just replace the entire pump and valve setup? Kind of pricey.
Appreciate your experience. Thanks J

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X5 3.0 AUTO -2001 - 238,000 miles