Thread: Just Dynoed my Dinan Stage 2 550i
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      01-25-2013, 06:41 PM   #15
mryakanisachoad
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Drives: '13 550xi + '09 M5 + '10 135i
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Quote:
Originally Posted by P-Town550i View Post
Actually, the Dinan tune is about 4-5 psi higher than stock ~9psi.
I'm pretty certain the n63 boosts to 11.6 psi @ 10:1 compression.
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