Thread: RaceChip on F97/F98 X3M/X4M News.
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      10-25-2019, 10:44 AM   #52
kyleb350
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Drives: '21 X3MC
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Quote:
Originally Posted by onfireX5 View Post
Killer flat torque curve !
Power doesn't fall off at all like the S55. Curious what's different with the S58.
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