I have owned mine since 39k, now up to 82k. Brakes, tires, and cv boots - no other issues. I always fill up with 92 octane, 93 if possible. Wife's 325 is well over 100k with no major issues. All regular maintenance has been performed on each.

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2004 BMW X5 3.0i - Mine
2011 BMW 328i xDrive - Hers
2002 BMW 325xi - waiting for a new owner