Could the M4 win against a car that has both hefty weight penalty and a serious power advantage? (bmwblog.com)
Thanks to larger energy density, the battery grows from 22 kWh to 33 kWh without a corresponding weight penalty. (cnet.com)
Furthermore, arrangement of the reinforcement ribs on the inner side of the cover has cut noise emission from the timing chain, without incurring an excessive weight penalty. (motor-prime.com)