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      03-24-2018, 12:29 AM   #2049
csween86
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Drives: 2011 135i, N55, 6MT, MPK
Join Date: Feb 2012
Location: Yelm, WA

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Quote:
Originally Posted by UB2SLOW View Post
I thought I read that Cobb Stage 1 should put your max boost around 12psi, however, I'm consistently seeing my max boost at 16-17psi on an otherwise stock N55 (135i) running 91 octane. Is that normal? Or am I reading into the wrong numbers here?
Are you using an aftermarket air intake?
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