Quote:
Originally Posted by mwtrogus
Get the n20 tmap sensor and upgrade the jb4 to use the new maps. Stick with map 1, 16psi for daily driving. Pulls hard to redline on 93 pump no problem. The other jb4 maps drop boost in upper rpm range
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Mwtrogus, i made a thread on n54tech. Someone warned me about fueling issues due to the 2014 X1 could be using the F series HPFP instead of the e series HPFP. Is there any truth to that? I thought the E84 X1 uses mostly E series components.