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Home >> BMW >> 2005 >> 545i Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Management - Overview >> E60 Engine management >> Ms45.1 >> Emissions Management - M54B25 / M54B30 Ultra Low Emission Vehicle II (ULEV II) >> Service Venting System >> Reduction Of Excess Pressure

Reduction Of Excess Pressure

Excess pressure is generated by heating of fuel. The gases rising from the tank flow through the service vent valves and the vent lines to the activated carbon filter.