- For the O.P. and for those reading this thread...

- If you have NOT done so, then read the infamous thread by "BavarianE39 CCV Mod", I did this mod a few years ago:

1. This mod reduces oil consumption from 1 qt/300 miles to zero!

2. This mod avoids the problem of the CCV freezing, causing hydrolock.
BTW, the hydrolock caused by oil is usually reversible, i.e., engine not destroyed, simply b/c the amount of liquid ingested is not as bad as let's say driving through water and the engine sucks in LARGE amount of water.

Anyway, I highly recommend the CCV Mod.

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