Quote:
Originally Posted by shortseller
It was as a software update for the N54/55 so I don't see why not for the S55. About a +20hp/tq bump through the magic of a few lines of software.
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But this was just the M performance pack for the 335i right? Seems like there was never a power kit offered for the M5 or M6 after competition package? Curious why it would be different for the F8X? And was this something you could ask the dealer to do? Sounds very interesting.