Quote:
Originally Posted by bcredliner
.....There should be gain in performance at full throttle because the addition of methanol will cause the computer to allow more timing.
You are correct that the fuel behaves like a higher octane rather than actually increasing octane. According to literature I can run regular due rather than premium and get the performance of premium or higher. With premium I should get the behavior of race gas. I will try some regular the next time my tank is empty.
I have no expectations of mileage increase, if, in fact it will increase mileage at any setting. Snow Performance made no mileage % claim though it is stated there will be mileage increase due to leaner mixture and efficiency. I will check the mileage for grins.
There was nothing in my consideration about saving money. The goal was to improve performance minimizing the risk with 150 shot of nitrous.
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I understand your motivations, and agree with the reasons for installing the system. It is just that there were points raised above about power increases, others using this instead of higher AKI fuel, and that the AKI number would change.
Your tune may advance the timing beyond what 92 AKI permits, and so you may get more power. For practically everyone else reading the thread, increased AKI is of no value and will not provide more power, since the timing won't advance beyond what BMW deemed safe for 92 AKI.
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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