BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > [HELP]AFR gauge install

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      05-05-2015, 09:54 PM   #1
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Drives: 2008 E90 335i
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[HELP]AFR gauge install

Hello guys, I'm currently doing a AFR gauge install, I got the gauge lighted up but the problem me and my friend ran into is we cant find the 0-1v output signal wire. Since all 4 slots on my downpipe have factory O2 sensors connected to it, I am trying to use the green wire on the diagram below so that the wideband O2 can supply my vehicle with stock O2 readings. If anyone wants to know, I am trying to install the ProSport Wideband AFR gauge.

Thanks in advance!
Appreciate 0


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