BMW M3 SEDAN Owner's Manual page 271

Driving comfort
CONTROLS
Additional information:
Widgets in the instrument cluster, refer to
page 152.
Performance Control
Performance Control enhances the agility of the
vehicle.
To increase maneuverability, wheels are braked
individually when a sporty driving style is used.
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Online Edition for Part no. 01405A1E4B0 - X/20