BMW F12 2011 Technical Training Manual page 60

F12￿Chassis￿Dynamics
6.￿Driving￿stability￿control
With￿ARS￿the￿following￿variables￿are￿permanently￿measured￿or￿calculated:
• Vehicle￿speed
• Current￿lateral￿and￿longitudinal￿acceleration
• Body￿and￿wheel￿acceleration
• Steering￿wheel￿position
• Ride￿heights.
Control￿commands￿are￿sent￿to￿the￿hydraulic￿swivel￿motors￿of￿the￿anti-roll￿bars￿based￿on￿the￿data￿ac-
quired￿in￿order￿to￿counteract￿the￿lateral￿tilting￿forces￿that￿occur.
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