Quote:
Originally Posted by car_fan
I listed "Wheel Horsepower" not Crank. As listed for Stock: 355hp/369ft/lbs @ the wheels - translates into 445hp/440ft/lbs @ the Crank according to Dinan.
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The 355hp number that BMW lists, isn't from the wheels. Its a crank number. So the numbers above aren't valid. Can anyone point me to the actual dyno chart? BMW as well as every other manufacturer does not use the wheel HP number. They use the Crank number. I still don't know what the M40i actually puts down to the wheels.