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      04-02-2014, 09:32 PM   #64
iaknown
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Drives: 335D
Join Date: May 2013
Location: NJ

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Quote:
Originally Posted by 135i_vs_ View Post
Regarding the hole size, measure the diameter at the outlet, size the new hole to be 40% of that diameter.

I can try it as soon as in 2 weeks.
You say outlet, I assume you mean outlet at the exhaust manifold or inlet of the actual cooler. That would make the most sense because I believe the outlet of the cooler (near the EGR valve) is larger than this?? You tell me. And PM me your address as well.
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