Quote:
Originally Posted by MJX5
But you cant modify the MPPK setting yourself can you? Are you talking if BMW comes up with revisions to the flash you can make unlimited changes?
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No the user can not make any changes to this. What i meant is that when BMW created the MPPK software they had access to tweak anything and everything they seemed fit for a higher performing tune. Something piggybacks will never be able to do because they are limited to certain signals that they can trick the ecu into making more boost. A software flash tune adjusts everything to support the higher boost as well as throttle response, engine/exhaust note, transmission shift logic, cooling if necessary.
I've never driven a non MPPK F15 X5 35i but I did have a 2013 E70 X5 35i for a week before and the power, throttle response and transmission logic is 10000x better in my F15. The E70 felt numb and anemic where as my MPPK X5 feels athletic. The 50i i can only imagine would feel like a rocketship like my 550 did.
Alan