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      09-08-2017, 03:42 AM   #694
leeadam
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Drives: F90 M5 Comp (Evolve Tune)
Join Date: Apr 2010
Location: Buckinghamshire, England

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Quote:
Originally Posted by Mountain_Commando View Post
Hey guys,

Slight update. I read on another thread that the highest setting that Racechip employees themselves go upto is stage 5. On my N55 engine, that's S2=F, S1=2. I tried it out and it worked for me...no CEL, errors, or misbehaviour. It resulted in a slight but noticeable increase (mostly torque) over the previous (B2) setting.

I should mention though, this is on 98 octane fuel. I believe higher settings work better with higher octane fuel. Cheers.
ok this is all very odd as I emailed Racechip as i had heard you only adjust S1 do not touch S2 thats for diesels only. I run S1 at E and dont touch S2 as was told does nothing on petrol turbo?? Anyone clarify.
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