~725 mile round trip for my X5. Even before a lot of serious work. My only concern for a major trip is an old fuel pump. 167k on it. It's next on my parts lists to purchase. The next major upgrade is a hitch. Daily driving is more rough than a cruise at 75 MPH/3600 RPMs. Idle after a good 30 mile run at 70+ MPH is crazy smooth.

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'06 X5 3.0i - bought @143,123 miles (12/26/20)