1.6% from the lowest grade of one to the highest grade of the other. It's even less than that when you compare their highest grades. 2% is well within the margin of error for attest like this one. Lots of other factors that can easily contribute to a variance like this one. (Temp argue outside, engine temp, fan, etc. there are a lot of variables in Dyno testing.
Originally Posted by The X Men
Never the less, this proves that all gas are not the same.
Only thing that separates gas is the additives they add o make your engine "cleaner" burn off deposits, or reduce CO2.
2013 535i Space Grey, Biege, M-SPort, Premium, Tech, Cold Weather, Luxury Seating, PDC, 6MT ED-10/11/2012 - PCD Redelivery-12/14/12
Last edited by miamiboyca; 12-13-2012 at 07:37 AM.