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Hello everybody. I have no idea where to get a ethanol tester besides online and want to run a e30 mix in my bmw m2. In order for my calculator to work i need to know what ethanol rating the e85 pump is and this is my local station would anyone know or is it negligible to find specifically.

Thanks🙂

United E85 is always 85% ethanol. At least it claims to be.

But that goes out of the window about thirty seconds after you put a tank of it into your car and can't do the math to determine if you have 76% ethanol, or 47% ethanol or 26% ethanol because you put 33L in, then 16L in, then a full tank of 98, then "Some" E85.

Ethanol tunes that aren't full flex or full E85 all the time are just absolutely a waste of time. Don't be stupid and ruin your car.

7 hours ago, Kinkstaah said:

United E85 is always 85% ethanol. At least it claims to be.

But that goes out of the window about thirty seconds after you put a tank of it into your car and can't do the math to determine if you have 76% ethanol, or 47% ethanol or 26% ethanol because you put 33L in, then 16L in, then a full tank of 98, then "Some" E85.

Ethanol tunes that aren't full flex or full E85 all the time are just absolutely a waste of time. Don't be stupid and ruin your car.

So your saying e30 is a wate of time? there's plenty of solid calculators out there that can give you the exact amount flex fuel just re adjusts the tune for you which you wont have to do if you just calculate it accurately. and the point of running e30 over e85 is to not ruin your fuel lines. 

1 hour ago, crustycereal said:

So your saying e30 is a wate of time? there's plenty of solid calculators out there that can give you the exact amount flex fuel just re adjusts the tune for you which you wont have to do if you just calculate it accurately. and the point of running e30 over e85 is to not ruin your fuel lines. 

E30 and E85 will both be reacting with whatever they can. One just has a little less in it and will take a little longer for you to see the things it's reacting with.

Plenty of replacement stuff out there that's ethanol friendly, and then it won't matter what Ex blend you run once you do a full flex tune.

Also fill flex would still be beneficial to you, even for the minor % changes down at E30.

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