It would help if you told us what model and engine your car has.
I did the pcv delete and vacuum side catch can from burger motorsports on my N54. it's relatively straight forward to do if you are diy minded.
The BMS vacuum side N54 OCC works in conjunction with our world famous boost side N54 OCC to prevent engine oil and PCV gunk from coating your intake valves and hurting engine efficiency under engine vacuum operation.
burgertuning.com