I found venting to atmosphere easier to do, but the downsides to that is you can smell the bad smells when you’ve stopped at traffic lights some times however I’ve gotten used to it and I don’t notice them now!
I found a good thread on the audi forums type in on google BAM oil catch can or somat like that a good guide
I found a good thread on the audi forums type in on google BAM oil catch can or somat like that a good guide