Do our tunes take time to start "working"? The reason I ask is because I have a friend with a 2011 bmw 335i who I raced while on 92 octane tune with e10 which I beat him by about a car and a half up to 120. The only mods he has is dps and is waiting on a harness for the jb4 tune. Well anyways I beat him but I felt that top end 80+ I wasent pulling on him much so I decided to go put 93 octane since I was low on gas and load my 93 octane tune that has 16 revisions with Torrie. To make the story short I pulled initially and than started to lose and by 120 he was right next to me so I did worse than with 92 octane tune. Well I decided to go top off my car with 93 few hours ago and took a little drive, the car seems to be stronger than when we raced which has about 20 miles on it since I loaded the tune.
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