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mrbeefy mrbeefy is offline
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Default jb4 causing 2d20 code plz help - 03-03-2018, 01:09 PM

just got the jb4 for my 09 335i and installed it, worked great for 1 day, amazing actually but then it goes into reduced power and it shows a 2d20 code which is the throttle pedal signal, got a new pedal and still show the same code, I uninstalled the jb4 and now all is well, is there something I'm doing wrong?
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 03-03-2018, 01:11 PM

Maybe, photo of install? Pedal signal rides along gray subconnector if memory serves.


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mrbeefy mrbeefy is offline
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Default 03-03-2018, 01:24 PM

I have uninstalled it so that I can drive my car, and I'm worried that if reinstalled ill have to purchase yet another pedal, which took a week to get.
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mrbeefy mrbeefy is offline
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Default 03-03-2018, 05:13 PM

ok spokw with the support fellow, he seems to think I have a faulty unit and will be shipping me a new one come Monday, thank god for customer service. thank you for your help, cant wait to feel my car living up to its potential.
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