Quote:
Originally Posted by LSM
I believe its actually set for 2.5 or 3 psi and Terry said I could turn it down to 2 or 2.25 if I am running 91 octane. I didnt do that but just passing along info
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No, it's set to 2.25psi by default. Terry tested M5 on 100octane with +3psi.
I had a bad experience with Dinan, didn't get much gains with my 750i.
Also, you still get better numbers than competition package for under $500.
I say, change your psi lvl to 2.5-3, but you won't be able to use 91 octane no more.