Looks great. I love the 4.4i except for the potential Timing Chain issues. My understanding is replacing the guides is a big deal, I think the advice to keep an eye on the tensioner and listen for jazz cymbals is good (but no personal experience).

Good luck!

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2001 X5 3.0i Old Gold -built and bought 08/2000, now at 220K miles
2005 X5 3.0i Silver Bullet -built 05/2005, bought 03/2021 at 95K miles