3 days ago I replaced the clutch fan, zip tied down some wires that somehow broke the clips that hold them in place replaced a vacuum line that was cracked and replaced the fitting on another vacuum line that was cracked.
result:
engine takes a little longer to warm up and does not try to overheat while stopped. whistling noise gone. ticking noise is getting quieter the more I drive it. I can no longer hear it with the hood closed (used to be very faint noise) has quieted to the point the sound of the air that the engine fan makes moving the air is louder over 1k rpm.

more parts on the way....

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2003 X5 3.0i automatic
jet blk/beige leather
premium, rear climate, sport packages
The "You'll never have extra money again!" Edition