Long term fuel trims are sitting at -5.5% on idle. Is that bad?
@mangosmoothie Thanks for the feedback! X66P soak is a good idea and I will likely try that eventually, but i'm trying to figure out some other...
Apologies if this has been posted before, I've searched quite a bit and can't find anything on it. A few months ago I purchased a 07 Speed3 with...
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