Crankcase Vent Valve Kit for 323Ci (2000), 323i (2000), 325Ci (2001-2006), 325i (2001-2005), 325xi (2001-2005), 328Ci (2000), 328i (2000), 330Ci (2001-2006), 330i (2001-2005), 330xi (2001-2005), 525i (2001-2005), 528i (2000), 530i (2001-2005), Z3 (2000-2002), Z4 (2003-2005), X3 (2004-2006)