- My CCV was overhauled recently, all BMW parts so it is brand-new (also cleaned the dipstick housing channels, which were not blocked). Car still consumes 1qt/500 miles.

- I am looking for long-term report on the mod.

- I may do the mod today and report back in 500 miles (another month) re oil consumption.

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