I would take off the valve cover next. Try to find a cause before pulling the head off.

I don't really see a big obstacle on lifting up the engine. Well, maybe a good rear point for lifting. Definitely a two man job this way though. I've pulled engines by myself. However, none were a cradle book removal type.

Would a bore scope go all way down to the valves through the intake?

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'06 X5 3.0i - bought @143,123 miles (12/26/20)