The current generation M5 in competition package form makes a BMW claimed 580 horsepower. If BMW isn't going to go over 600hp, then a 20hp bump really won't make a difference in terms of how fast the rear tires light up. Hopefully, 500+ ft lbs of torque aren't available right off idle. That should help control wheel spin. Shouldn't we be more worried about how much torque this thing is going to put out if we are worried about wheel spin?
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