will be modding my hose not the plate on mine. This should be easier. I will do this and attach pcv to my intake as a test before full install. I will plug the pipe with something like JB weld. And put a 'T' connector between the oil seperator and the end plate.
2001 540i - Orient Blue
M5 bumpers, wheels, mirrors
S/C, water/air IC
A1 Headers, Random Technology Cats, Eissenmann Exhaust
3.15 diff, evosport power pullies
Koni Sports, Eibach Springs/Sway Bars