The large rear spoiler increases downforce on the driven rear axle and in so doing improves power transmission. (press.bmwgroup.com)
The rear wing is complemented by additional carbon - fiber flics on the front skirt, which further increase downforce at the front axle, as opposed to the more inward - lying standard carbon - fiber flics, which optimize airflow into the cooling modules. (topspeed.com)
Aero improvements include slightly higher carbon fiber rear wing, front and rear fascias and rear underbody diffusor to help increase downforce by 20 percent. (cnet.com)