Thanks SlickGT, I intend to do the entire cooling system overhaul. Unfortunately, I am 250 miles from home visiting family. When I get home, I am going to use the opportunity to do some preventative maintenance. It sounds like I am not going to do any damage by waiting for a few hundred miles.

Thanks for the help!!

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2006 X5 3.0i TiAg
20' Style 87 Rims