I currently drive a Dodge Ram Diesel that has about 450 hp. That is the main reason I decided to go with the V8 in the X5. I would rather have a little more than need a little more. We all know that it's not how fast you can go, but how fast you can hit the speed limit. :-)

I will try a 3.0 though, so I have an unbiased decision.
Thanks for the replies! keep them coming!

PS: I looked at a pic of the 2007 4.8 and it looks like there is a dipstick? I don't know; it was red on the end of it on the left side of engine towards the rear of the compartment.

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Mike
Looking for an X5.