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

Posts: 1,419
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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.
b1aze is offline   United_States
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