DeatschWerks 6AN Male Flare to M16 X 1.5 Male Metric Adapter (Incl Washer) - Anodized Matte Black 2002-bmw-330i-esi9608962 and the return port is

and the return port is 8AN ORB female threaded

Prevent crankcase oil fumes from condensing and filling your turbo piping

this oil accumulates in the intercooler

This kit bundles two independent catch can systems — the PCV kit (20-0105) and the CCV kit (20-1106-FL) — into a single purchase

Efficiency is the name of the game and this intercooler will get the most out of your stock turbos and still has plenty left over for future upgrades to go along with it

DeatschWerks 6AN Male Flare to M16 X 1.5 Male Metric Adapter (Incl Washer) - Anodized Matte Black 2002-bmw-330i-esi9608962 and the return port isDeatschWerks 6AN Male Flare to M16 X 1. 5 Male Metric Adapter (Incl Washer) Anodized Matte Black Product Specifications Sheet