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Riceball777 Riceball777 is offline
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Posts: 211
Join Date: Jul 2015
Car: 2007 e90 335i
Default smog with jb4 and back end flash? - 08-13-2020, 02:43 PM

can i pass CA smog with a jb4 and with the back end flash?? I know many people have passed with just the jb4 switched to map 0 but can i pass with the jb4 with the back end flash? or do i need to flash back to stock swap out the 3.5bar map sensor with stock and switch jb4 to map 0 to pass?


2007 e90 335i
pure stgae 2 DD turbos, rb inlets, bms 4 bar map sensor
Jb4 with mhd hybrid e85 back end flash, vrsf down pipe vrsf 7" intercooler, vrsf charge pipe with tial bov and afe intake. Fuel it stage 2 pump and fuel line/ethanol content kit.
spec stage 2+ clutch with new oem dmfw

Last edited by Riceball777; 08-13-2020 at 05:11 PM..
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