OP, Great find!!! I have the 2008 but I got a full bumper to bumper warranty with mine. Not too many issues fortunately. I had a radiator go and a couple of oil leaks, (alternator bracket and valve cover gasket). Other than that she has been solid. I found out how to do a mod on the sunroof to stop the second/rear panel from opening. I was told that they are a trouble spot so I found a Youtube vid on how to make the mod. Worked out perfectly. I was trying to avoid $2000.00+ repair I was quoted. Enjoy your ride. Never heard of the "Buy as is" thing but it could be interesting!!!

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2008 X5 3.0si
Monaco Blue/Grey
Tech Package
Cold Weather Package
Premium Package
Build Date: 02/2008