https://www.netcarshow.com/bmw/2018-m4_cs/
It's all about weight savings and power to weight or even hp per cylinder / weight.
So far 3655 is the number to beat ?
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Eendraght Maeckt Macht
FOF82,3pedals,MPE,CCBs,Multicams,
CarbonStrucktureAnthracite, CF_Everything
BMWPhotoVin, 01of01, GTS DCT, EPS, MDM,
CS EDC,Analog Dip ,GTS parts.
Euro Vin e30 M3, FIA cage / 14.7 p / w ratio.
Euro E30 touring G30 MSport i3s LBB X5M
3.2carrera
https://www.youtube.com/channel/UClRTsfNzuz_EjUBu59UCykA