Thread: G5 iso...
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      01-30-2013, 02:04 PM   #3
b1aze
Just one more taste...
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Drives: 2010 135i
Join Date: Aug 2012
Location: Shirley, MA

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Iirc, over 18.5psi on the stock turbos is well out of their efficiency range and it just ends up being harmful to the turbo life.