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      04-29-2013, 04:56 AM   #34
dex37
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Drives: E92 M3
Join Date: Nov 2011
Location: Germany

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Quote:
Originally Posted by kaiv View Post
Yeah I thought of that and that would work fine (as far as venting), the issue I see with that is not fluid filling the little tank to the point overflowing, but rather the pressure/heat creating a mist that could potentially dirty the engine bay out of that hole just like it did out of the original reservoir cap.

I want to say it's unlikely given the length of hose I'm using but either way I don't think it's necessary to poke a hole in the cap. I blew through the hose to check venting and there is (with cap tight and seal removed).

In any case I will be testing this setup on Friday and will report back!
The little tank should also have venting, at least mine does. There should be a hole in the screw thread when you remove the cap.
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