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Home >> BMW >> 2013 >> 650xi 2D Convertible >> Repair and Diagnosis >> General Information >> OEM General Information >> Functional Descriptions - 6-Series - Engine Performance Systems >> Engine Performance - Functional Description >> Tank vent shutoff valve >> Functional description

Functional description

When the first purge air line is being checked, the second is closed using the shutoff valve.

The amount of fuel vapour drawn in by the combustion engine from the activated carbon canister must be adapted to each operating condition of the engine. The tank vent shutoff valve is activated by the engine control.

Fig 1: Identifying Tank Vent Shutoff Valve, Two-Pin Plug Connection, Throttle Body Connection, Suction Jet Pump Connection
G09841393Courtesy of BMW OF NORTH AMERICA, INC.
Index Explanation
1 two-pin plug connection
2 Tank vent shutoff valve
3 Connection to throttle body
4 Connection to suction jet pump
5 Connection to activated carbon canister
6 two-pin plug connection
7 Tank vent valve