Thread: N63 catch can
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      01-27-2019, 07:46 PM   #20
windowmaker
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Drives: 2013 550i M Sport 6MT
Join Date: Jan 2018
Location: Washington State

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Quote:
Originally Posted by warpeacelove View Post
Window, how come you’re using a 3 port catch can instead of a 2 port catch can?

And how were you
Able to
Get the ends onto the hoses and what tools did you use to stretch the hose so the crank end can fit?
Looks like they removed the silver 2-port can I used from the selection and it defaults to the red 3-port at the Amazon link. I edited the post to link the black one.

To stretch the hose I used a combination of engine oil, heat gun, sanding the inside of the hose, and a set of slippery sockets incrementing in size to match the outer diameter of the PCV connectors. That and a lot of repetition effort.

It would be a lot easier to go with a 5/8 hose but I wasn't sure if the turn radius of the larger hose would kink and whether the increased outer diameter would fit through some of the tight spaces where you have to weave the hose.

The passenger side is a lot more sketchy to fit so I'd start with that side if you're testing a wider hose.
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