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Old 09-04-2003, 06:21 AM   #16
NavyBlueSubaru
Scooby Specialist
Member Sales Rating: (2)
 
Member#: 22127
Join Date: Jul 2002
Chapter/Region: South East
Location: Oviedo, FL
Vehicle:
2013 BMW 335i Sedan
Estoril Blue

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Quote:
Originally posted by WR_eXe
Couple of questions:

Any safety issues?

Whould I be able to run lower octane gas (87,89, 91) without any knocking issues? Gas prices these days suck!!!
It all depends on your state of tune. The water/methanol raises the effective octane rating, i dont know how much though. I'll just use 10 as a number. So if you are running 93octane, then it will be like running 103. If you're running 89 octane, it will be like running 99. My guess would be that running WI with 87 octane would still show better results than running 93octane, and cost much less too!!

Jeff
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