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Bullyking Bullyking is offline
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Join Date: Feb 2021
Car: 2013 535i
Default Need help ASAP - 06-12-2021, 07:04 PM

Tried to change my pwg firmware to alpha and it came up with error code 90 now stuck and won’t connect to jb4 via Bluetooth


2013 535i n55 c/dp, bms intake , Jb4, MHD pwg2 e85 bef ngk 2step cooler plugs walbro 450 lpfp e40
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435gc 435gc is offline
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Car: 2015 435i xdrive gran coupe
Default 06-17-2021, 04:55 AM

Revert back to stable version firmware
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Bullyking Bullyking is offline
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Posts: 57
Join Date: Feb 2021
Car: 2013 535i
Default 06-17-2021, 08:38 AM

Yeah I went back to stable I really dislike the Jb4 app update though no longer shows reasons for codes just the code numbers but I switched firmware to beta version to see how that is


2013 535i n55 c/dp, bms intake , Jb4, MHD pwg2 e85 bef ngk 2step cooler plugs walbro 450 lpfp e40
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