Quote:
Originally Posted by ND40oz
S58 is now being said to have 475 hp in the X3M. Not sure if that is with the Competition package or not though.
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ynguldyn clarified that that is
without ZCP in a follow-up post:
http://x3.xbimmers.com/forums/showthread.php?p=22563352
So, as I said in that thread, 500hp for ZCP seems pretty realistic. If we assume the same ~4.5% increase the S55 gets w/ZCP ECU tune today, that would put the S58 w/ZCP tune @ ~496hp. It’s not much of a stretch to 500hp, but even if they don’t quite go that high, it’s almost sure to be 490hp+.