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There should be a difference that can be felt between sport on and off. Even with a tune I can still feel the difference. Sport on is way too twitchy for me.
Maybe try unplugging the battery and allowing adaptions to reset. Might help.
BMW should be able to flash the ECU back to stock.
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08 M Coupe • Ceramic Black Fabspeed Headers • MCS 1WNR • Poly FCAB • Stoptech BBK • Vibra-Tech • Epic Tune • Apex EC7 • RPI Scoop • Eventuri • Stromung • Rogue X Pipe • Varis Diffuser • CF E92 GTS Wing • CF Roof
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