I have a Forge cold air intake on my 118TSI and swapped it out for the stock airbox recently and noticed a little bit of oil where the airbox meets the plastic pipe (near the green arrow). I figured this was coming from the pipe with the blue arrow given that's where it joins and had been considering installing a catch can... I hadn't really looked into it in any detail and didn't realise that wasn't the primary vent...
Fast forward a little while and I took off that bendy pipe and noticed a decent amount of oil buildup at the red arrow and got far more interested in an oil catch can, started searching found this thread. This really is a brilliant write up!
So my questions.
How is it doing a couple of years on?
Is there any reason (or way) to join in that second pipe (blue arrow)?
Any other advice you might have before I undertake this little job?
Your mounting location looks like it will be the go, although if I go back to the forge intake it takes up far less space than the stock airbox so that might be a little more accessible, although I will see soon enough.
Plenty of nice eBay options too:
JDM Alloy Black 1L Oil Catch Tank Can with 9mm or 15mm Fitting (Complete Kit) | eBay
New Billet Aluminium Baffled Engine Oil Breather Catch Tank Can Reservoir Black | eBay
Including this one with an extra input port for that second line:
Racing Car Baffled 3-port Oil Catch Can/Tank/Air-Oil Separator 0.4L/400ML | eBay
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