Originally Posted by cowmoo32
What's the weight difference between the two?
According to the M3 brochure, 22 lbs. Add a sunroof to the sedan and it would be 56 lbs assuming the sunroof weighs the same on the sedan as it does on the coupe.
"The M3 Coupe's carbon-fiber roof weighs 11 lbs. less than a steel roof and 45 lbs. less than a steel moonroof."