Quote:
Originally Posted by F90POWER
Ben,
Thanks for replying. Can you confirm that the Racechip for the F90 M5 or X6M/X5M are not compatible directly for the X7 M50i even though the harness may plug and play and would need to be reprogrammed first? You mentioned to me on the phone that those Racechips provide more power because the internals in true M cars are stronger and rated to handle more power.
I ask because the original user that posted said that he just plug and played his old one from his X5M vehicle
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Each different engine variant, it uses different mapping software.
Unless if it cross platform such as G05 X5, G06 X6, G07 X7 M50i.
I am not sure why OP just moved it to different car without having it reprogrammed.
Unless if he had it done already. OP didn't stated clearly whether he reprogrammed it or not.
RaceChip able to push more gain on the M Cars due to its internal components quality and capability.