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      10-29-2023, 07:18 PM   #2
n55david
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Drives: 2017 m240i, 2015 X3 x35i
Join Date: Aug 2018
Location: Michigan USA

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2017 m240i xDrive  [0.00]
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Quote:
Originally Posted by nrg2k View Post
Hey forums,

I live in AZ, we have pretty poor fuel to choose from out here. Highest pump gas is 91oct, sometimes you can find 100oct. I want to start running E40 as I got the TU Pump for my F22 240. I’ve been considering buying the MHD Flex Fuel kit for the convenience factor, but if I remember right I seen a Kern417 video where he mentioned the kit doesn’t read 91 Oct. Is that still true? Would I just limited to Stage 2, and not stage 2+ because I can’t mix the E85 with 93?

Also, if I were to throw 100oct in the car, would the MHD Stage 2+ 95oct OTS tune be safe for the fuel I am running?
You can mix e85 with your garbage 89 (fake 91).. you just have to use more e85 to compensate.. you'll wanna run about e45 to run the e40 mhd map.
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2017 m240i xDrive 10.67@132.32mph w/bm3
2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD
2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots
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