Another update...

Long-term report on 2006 X5 3.0i 6sp MT...

- Nov. 2016: 122K miles: oil consumption ---> 1qt/400 miles.

- July 2023: 143K miles: oil consumption ---> nothing at 5K oil change interval.

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1998 E39 528i 5sp MT
2006 E53 X5 3.0 6sp MT