When the original seals on BMW VANOS units fail, the dealership requires an expensive replacement. This Dorman OE FIX repair kit comes with all the O-rings, gaskets and hardware needed to rebuild the unit, saving time and money. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [BMW 320i: 2001, 2002, 2003, 2004] - [BMW 323Ci: 2000] - [BMW 323i: 1997, 1998, 1999, 2000] - [BMW 325Ci: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW 325i: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW 325xi: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW 328Ci: 2000] - [BMW 328i: 1997, 1998, 1999, 2000] - [BMW 330Ci: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW 330i: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW 330xi: 2001, 2002, 2003, 2004] - [BMW 525i: 2001, 2002, 2003, 2004, 2005] - [BMW 528i: 1996, 1997, 1998, 1999, 2000] - [BMW 530i: 2001, 2002, 2003, 2004, 2005] - [BMW X3: 2004, 2005, 2006] - [BMW X5: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW Z4: 2003, 2004, 2005, 2006]