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Fuel-It! FLEX FUEL KIT for BMW M140I How connect to JB4?

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  • Fuel-It! FLEX FUEL KIT for BMW M140I How connect to JB4?

    Hi all! I bought an ethanol sensor and put it in my car, it works great, but I want to connect it to Jb4. The instructions say that I should use pin 16, but it is occupied by EWG, just as I understood, I can use 3 or 14 pin, but they are occupied by WMI. How to connect the sensor correctly so that jb4 can use it?

  • #2
    That is pin 4 and enable bit 2.

    https://www.jb4tuned.com/fuelit_eth_pi_wiring.htm

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    • #3
      It work, thanks! Add please on the website manual for ethanol sensor install for b58 gen1 motors)

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      • #4
        Hello, I have a problem where the jb4 is not reading my ethanol. Flex fuel Bluetooth works great. But nothing on the jb4. I have it connected to pin 4 and tried bit 0, 1 or 2 but the e85 gauge is not responding. What have I done wrong?

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        • #5
          Hi Mutunekk. Have you selected the correct data output parameter in the fuel it app?

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          • #6
            Originally posted by mutunekk View Post
            Hello, I have a problem where the jb4 is not reading my ethanol. Flex fuel Bluetooth works great. But nothing on the jb4. I have it connected to pin 4 and tried bit 0, 1 or 2 but the e85 gauge is not responding. What have I done wrong?
            Please contact [email protected] as he will further assist you.
            Burger Motorsports
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            It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

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            • #7
              Originally posted by mutunekk View Post
              Hello, I have a problem where the jb4 is not reading my ethanol. Flex fuel Bluetooth works great. But nothing on the jb4. I have it connected to pin 4 and tried bit 0, 1 or 2 but the e85 gauge is not responding. What have I done wrong?
              Start your own support thread and upload a log.

              Click on our banner to visit our website!
              Video of our Stage 2 LPFP upgrade installation.

              BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways.

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