Vent Valve: The crankcase ventilation valve is also called a check valve, which is a component of the crankcase ventilation device installed inside the engine.. Good quality aftermarket replacement part.. Replacing OE Number: 11617501566, 11157532649, 11617504535, 1161750. Fitment: for BMW 320i 2001-2005, for BMW X3 2004-2006, for BMW 530i 2001-2005, for BMW Z3 2000-2002, for BMW 330xi 2002-2005, for BMW 325Ci 2001-2006, for BMW 325xi 2002-2005, for BMW 525i 2001-2005, for BMW 325i 2001-2005, for BMW 330Ci 2001-2006, for BMW 330i 2001-2005, for BMW Z4 2003-2005, for BMW 528i 2000, for BMW 328i 2000, for BMW 323i 2000, for BMW 323Ci 2000, for BMW 328Ci 2000. Note: No instruction. Professional installation is recommended!.
