You can commiserate here:
M340i Low engine oil warning at 3000 miles
https://g20.bimmerpost.com/forums/sh....php?t=1651647
Just over 2000 miles and my M340i already needs a quart of oil
https://g20.bimmerpost.com/forums/sh....php?t=1645079
My direct take on this issue:
https://www.bimmerpost.com/forums/sh...php?p=25548138