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      09-08-2017, 03:59 AM   #697
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 moldcad View Post
Absolutely - with petrol engines, the S2 switch does nothing and I've always kept it in the as-shipped position. As to the S1 switch, I have it at "D" - and with RON98 fuel, never had any hiccup. As to performance gains, I described those earlier in this thread:

(http://www.2addicts.com/forums/showp...&postcount=665).

Piotr
Hi yes this is what i have been told by Racechip. DO NOT touch S2. But people on here seem to be saying Racechip have told them the complete opposite, so Im confused now.
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