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The Vanos system that you likely have in your BMW uses oil pressure to control the position of the intake and exhaust camshafts using a gear on the Vanos actuator and on the camshaft. A long coil of wire wrapped several times, called a solenoid, controls the amount of oil pressure that is applied.
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Aug 9, 2021 · The Vanos Solenoid is a BMW-specific component that adjusts engine timing, helping your BMW achieve superior performance.
Apr 12, 2012 · The M50/M52 single-VANOS is controlled via a hydraulic solenoid. +12V on the solenoid opens the valve to oil pressure and the intake cam ...
Jan 30, 2021 · The oil routed by the VANOS solenoid controls the inward and outward movement of a piston and helical gear, which inserts itself between the cam ...
The solenoid directs oil pressure behind the piston and causes it to extend, moving the helical gear to the ECU's desired position. Cutaway of VANOS system on ...
Oct 10, 2021 · A solenoid is not only an electrical device but a mechanical device as well. And as with anything mechanical, failure is always possible.
Jun 14, 2021 · The solenoid is a small component that pushes oil through the VANOS system, allowing the system to interject between the cam gear and the cam.