Hello, it is long time, but I have a some test and results. Because I do not ride with S2K much this year, I used as test car my friend's BMW 135i (N54 engine). Photos are after 1500km. All works fine and as I except.
You can see oil on input tube, output is absolutely dry, oil was catch in tank.
album with photos is here- https://goo.gl/photos/xnwQ218oGrdezuEq7
input tube with oil (it is PCV and it is connect to input) https://goo.gl/photos/8bf9jWpTn51txPxc8
part from output ( absolutely dry and without oil) https://goo.gl/photos/Eoycutnrjhp3By1m6
and oil catched in tank https://goo.gl/photos/H8UDaV38YUq1m5ej6
And here is photo of instalation on my S2000- https://goo.gl/photos/RpQkLL8waGM3P51VA