What is BMW ShiftCam technology and how does it work?

Via an axial shift of the switching-cam segment, the intake valves are actuated by either the torque or the power cam in just 10 ms, depending on load and rotational speed. The axial displacement of the switching-cam segment and thus the use of torque or power cam is effected via 2 shift gates on the switching-cam segment and 2 electromechanical actuators. The different design of the cam geometry is used to vary the valve timing and the valve lift.
While the full load cam provides the maximum valve lift, a reduced valve lift is available via the torque cam.

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What is BMW ShiftCam technology and how does it work?

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