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      11-13-2012, 05:12 AM   #29
Drives: bmw
Join Date: Oct 2012
Location: las vegas

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Originally Posted by View Post
No, the JB4 monitors timing advance and fuel trims and auto tunes itself when on E85. So you don't need to monitor anything. To run more than 50% E85 you normally also need the BMS flash which allows higher than OEM advance points and resolves the fuel trims issues.

So would you say running jb4 map 5 is just as good as using the Vishnu flex fuel kit? The one thing I like about jb4 is you don't need to send your dme to get it flashed.
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