As posted above, DIN/EU standards have changed over time, so it is not an apples-to-apples comparison. If you keep on cross checking the wrong information, you will keep getting the same wrong conclusion
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Look at that M4 DIN weight of 1,497kg in your screenshot. I challenge you to find an F82 M4 at that weight anywhere in the world
I tend to prefer using actual weighing from reliable publications in combination with the option listed for the specific vehicle to do comparisons. Auto Motor und Sport is one of the more reliable EU publications regarding weights, and their "light" specced 6MT F82 M4 weighed ~82kg less than the G82 M4 showcased in the Performance and weight video. IMO, this is a better direct comparison.
https://g80.bimmerpost.com/forums/sh...2&postcount=39