Quote:
Originally Posted by Augster
What are the nuances to be aware of between the N55 and N54 that would determine interchangeability?
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The tuning is completely different between the two, in addition to specific difference in the motors (N54 = Open Deck, Different Injectors, HPFP, N55 = Closed Deck, Valvetronic, Still Unlocking the DME/Tuning Tables)
The only "interchangable" performance mod between the two is the FMIC
core, nothing else. As far as Suspension/LSD mods go, it's the same among chassis (E92 vs. E90, RWD vs. AWD)