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  • JB4 in dash controls not working.

    Could someone possibly help me find out why my in dash controls isn’t working for my JB4? I bought the car with the JB4 installed already and the previous owner told me the in dash controls worked for him at one point and then quit. And he never tried to find out why that happened leaving me where I am now.

  • #2
    We make lots of JB4s for lots of cars. You're going to need to be a lot more specific.
    Burger Motorsports
    Home of the JB4 the worlds most popular turbocharged tuning system!

    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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    • #3
      My apologies. It’s for the N54.

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      • #4
        Hi Guys,

        How do I set up my anti-lag and 2 step on myN54 with automatic transmission. I have installed all the hardware

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        • #5
          Originally posted by SweetBMW View Post
          Could someone possibly help me find out why my in dash controls isn’t working for my JB4? I bought the car with the JB4 installed already and the previous owner told me the in dash controls worked for him at one point and then quit. And he never tried to find out why that happened leaving me where I am now.
          Could be that you have a bad clock spring or steering wheel controls have been disabled in the app.

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          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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          • #6
            Hmm. I might have to check out the clock spring because the steering wheel controls work for things such as changing the radio station and music volume.

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            • #7
              Originally posted by SweetBMW View Post
              Hmm. I might have to check out the clock spring because the steering wheel controls work for things such as changing the radio station and music volume.
              If all the steering wheel controls work for the stereo, etc. then there isn't an issue with the clock spring.

              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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              • #8
                So do you think the issue could be in how the JB4 was installed?

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                • #9
                  No...honestly I'm not sure why it's not working. That's typically a clock spring issue or something of that nature.

                  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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