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Originally Posted by paul_sarky
Quote:
Originally Posted by Bmw doubles
Is racechip willing to reimburse for the dyno too? Contingent on the updated software yields no results.
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I received my new updated chip today, and it worked fine. the weird thing is, the more long pulls I did, the worse it got, after doing a few 30-100mph runs, I started noticing the issue again. at first it was flawless. than the issue was present in 3rd gear doing 50mph.. so im not really sure whats going on  |
I can't speak for RC, but issues I've had with stuttering affects have been several things with recent tunes.
1. Tried colder stepped plugs, no fix.
2. This one is weird, but worked. Fill radiator fluid above max.
3. Try 4-5 gallons of e85
Could be the butterfly closing or worse knock sensors going off. BMW engines are not bulletproof, but pretty close.
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
IG: @bmwdoubles