Quote:
Originally Posted by ShocknAwe
Safe as it gets. Map 5 will auto adjust boost for the octane. It will take at least 3 pulls before you see the full difference.
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What do you think of the blend I have going in there now? I found an ethanol calculator online, but I'm actually more confused now than I was before. I'm not good at mathy stuff.
Ok, so I got 3.5g of e85, and 6.3g of 93, with an unknown amount of 93 still left in the tank. After googling, apparently the 135i has a 14g tank. So add up all the 93 and you get 10.5g, then add in the 3.5g of e85 and it's a full tank. The calculator says that would come out to be around 28.8% e85 blend and 96 RM2 oct? I fuel every 200 miles traveled, which usually comes out to be in the vicinity of 10 gallons of refueling when I used straight 93.
At my next fill, how much e85 should I use?