Mis fire

souheil

New Member
Aug 1, 2017
2
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Ride
335 2008 n54
I hve bmw n54 335 with all mods jb4 + mhd . Methanol daul nozles . Aem fuel pump stg2 , turbos stg2 , vrsf 7" intercooler , at 24 psi boost i have mis fire at 3d gear , i change coils , plugs ngk with 00.2 gap , injector index 12 and the problem still , also there was a word injector off hope anybody help i