We this doesn't sound good. I ran the compression test today and here are the results:

driver side starting from the front of the engine: 55psi, 54 psi, 120psi & 120psi.

passenger side: all came in around 180 psi.

I don't know how to interpret these results but I'm pretty sure it's bad.

I've already pulled the driver side valve cover off and I've attach pictures of the driver side spark plugs and pictures after the valve cover were removed.

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2000 X5 4.4i w/ 150K miles.