Thread: M5/M6 vs 550i dinan stage 2
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      04-28-2014, 10:58 PM   #51
mr-karim
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Drives: F13 M6 (Fully Modded)
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Quote:
Originally Posted by Schnell_1 View Post
If you were to run just 91, would boost would you recommend?
for 91 octane use +2.25 over stock
for 93 octane use +2.5 over stock
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