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Home >> BMW >> 2001 >> M3 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Performance - Overview >> Engine Management Systems >> Siemens Engine Management System >> Scope Of Output Functions >> Purge Valve
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Purge Valve

The purge valve (TEV) is activated at 10 Hz by the ECM to cycle open, and is sprung closed. The valve is physically different, but purge control functions are the same as the previous Siemens MS41.1 system.

Fig 1: Purge Valve Circuit & Flow Diagram
G03395997Courtesy of BMW OF NORTH AMERICA, INC.