Quote:
Originally Posted by Mfan007
The solution will be a published HP no higher than the M5, dyno will show the same underrated numbers as the M5. There is a hierarchy with BMW and other automakers where the cheaper models will not out muscle their more expensive siblings, time will tell whether this trend will remain or change.
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If it's the same 617 rated HP as the F90M5C that makes on a dyno (roughly 620 rwhp), the extra 900lbs over a X3MC will make it slower than a X3MC. BMW will have to rate it at 617 engine and make 650ish RWHP to overcome 900lbs. And they might....