Originally Posted by enrita
so you change tune, same setup and missfires gone?
That's what I understood. May be that's what BIGTOM should have tried. I haven't followed his thread recently, but didn't he borrow your JB4?
SOLD --'07 E90 335i, PTF COBB E50, HFS4, ER CP, ETS 7", AA DP, Vishnu Exhaust, DCI, ACT, Nitto Nt555
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