I don't want to hijack this thread more than I have so I'll answer succinctly as possible. No and zero. None of of bimmers burn any oil between changes.Any metal wools or bird nest inside the catchcan? How is the oil consumption since zero oil caught and drained back?
Did you connect to manifold vacuum or to the distribution piece on top of the manifold?I have not done the bag for not due to the fact of at idle if I took off the oil fill cap, I had to pry it off almost with how much crankcase vacuum there is.