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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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