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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 652 (Steering And Wheel Alignment - Service Information) >> Active Steering E60, E61, E63, E64, E90, E91 >> Brief Description Of Components >> Hydraulic Steering With Servotronic Valve >> How It Works >> Notes

How It Works: Notes

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The Servotronic controls the degree of assistance provided by the hydraulic steering as a function of the vehicle's speed. The flow of hydraulic fluid is restricted to a greater or lesser extent depending on how the Servotronic valve is actuated. Restriction of the flow depends on the current actuating the Servotronic valve.