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  1. Mterkait

    MAF-less Tuned

    Hello everyone, I've docrace 6266 on my F30 n55 ( 2013 PWG ) since 2018, and the driveability is not smooth although no Codes or anything. my BEF supposed to be MAFless tune but AFR jumps randomly at low throttle, not sure if there is something wrong during the installation or something else...
  2. gmagnus7

    Exhaust theory on N54 & turbos in general

    I wanted to talk exhaust theory and get some opinions from people: I've been reading a lot on these forums and it seems that most people are content with the stock exhaust (modified or not) or go with single 3" systems. This kind of bothered/confused me because I always read that the lower the...
  3. Modifyit

    N54 Full Build with Specs and Parts list

    Soooo... I've decided to post a bit about my build Starting with the story leading to my decision, So a few months back I had my oil pan gasket replaced. Upon removal of the pan we found shattered pieces of metal of what appeared to be a valve keeper and roller. I assumed it was from a...
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