Quote:
Originally Posted by A418t81
I personally know of two N54 tuning houses who will begin development of S55 aftermarket power adders the second their cars arrive. Initial tunes will be with piggybacks, followed by software, followed by a combo of both.
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Therein lies the problem. No one has been able to flash tune an F series ecu so far. BMW did this on purpose. Also, I wouldn't be the first in line to increase boost on a vehicle already running 18lbs right out the box, with some pretty aggressive timing no doubt!