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Merwan8888 Merwan8888 is offline
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Join Date: Jul 2018
Car: Maserati Ghibli sq4/Bmw 335i
Default Mhd stage2+ flash now misfiring - 09-17-2019, 01:08 PM

Hey Guys I just flashed my bmw 2007 335i with mhd stage 2+ I am currently fbo except inlets & outlets, also no upgraded fuel parts.
Once I started car it was running fine, drove it and got on it check engine came on and car started misfiring throwing a lot of codes, so I cleared codes and went for another pull was going smooth until 4K rpm It started sputtering & jerking making its way up. Anybody know why? Car has brand new coils & plugs installed last week and walnut blast just done. Im thinking a fuel problem.
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