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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Jb4 won't show boost on fuel



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      05-08-2016, 10:44 AM   #1
Adambomb335
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Jb4 won't show boost on fuel

Trying to get my jb4 to show boost on fuel or boost on any gauge really. But won't work. I can do everything else i suppose but would like to see boost before going wot on a map higher than 0.

I've tried 2/1 and 7/1 reconfigure the gauges, etc. but nothing works.
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      05-08-2016, 11:40 AM   #2
theweebabySeamus
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Do you have stealth mode enabled? If you do the gauge hijack won't work under 50%.
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      05-08-2016, 11:56 AM   #3
Adambomb335
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Yea I tried that on and off and it still won't work.
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      05-08-2016, 04:46 PM   #4
Adambomb335
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Got it. I thought you could tear it in map 0. But I switched to map 1 and it works now. Need new plugs cause it started breaking up, but it works
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      05-08-2016, 06:27 PM   #5
theweebabySeamus
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Oh, yeah. Map 0 is a pass through. If you want stock boost and the gauges, run Map 4.
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      05-08-2016, 07:33 PM   #6
Adambomb335
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thanks man.

i got that all sorted out, but now i cant connect the jb4 to my computer.

i made sure the usb port matches and everything, restarted my computer. but cant get it to work at all.
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