Structure and inner electrical connection

The tank vent shutoff valve is a solenoid valve. The tank vent shutoff valve is open when in a de-energized state. The tank vent shutoff valve is supplied with voltage from terminal 30B.

Fig 1: Tank Vent Shutoff Valve - Circuit Diagram

Courtesy of BMW OF NORTH AMERICA, INC.

Index	Explanation
1	Tank vent shutoff valve

PIN REFERENCE

Pin	Explanation
Terminal 30B	Terminal 30, voltage supply
SIG	Activation, tank vent shutoff valve