This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [BMW 318i: 1992, 1994, 1995] - [BMW 318is: 1994, 1995] - [BMW 318ti: 1995] - [BMW 320i: 1992, 1993, 1994, 1995, 2001, 2002, 2003, 2004, 2005] - [BMW 323Ci: 2000] - [BMW 323i: 1998, 1999, 2000] - [BMW 323is: 1998, 1999] - [BMW 325Ci: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW 325i: 1992, 1993, 1994, 1995, 2001, 2002, 2003, 2004, 2005] - [BMW 325is: 1992, 1993, 1994, 1995] - [BMW 325xi: 2001, 2002, 2003, 2004, 2005] - [BMW 328Ci: 2000] - [BMW 328i: 1996, 1997, 1998, 1999, 2000] - [BMW 328iC: 1996, 1997, 1998, 1999] - [BMW 328is: 1996, 1997, 1998, 1999] - [BMW 330Ci: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW 330i: 2001, 2002, 2003, 2004, 2005] - [BMW 330xi: 2001, 2002, 2003, 2004, 2005] - [BMW 525i: 1991, 1992, 1993, 1994, 1995, 2001, 2002, 2003] - [BMW 525iT: 1993] - [BMW 528i: 1997, 1998, 1999, 2000] - [BMW 530i: 2001, 2002, 2003] - [BMW M3: 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009] - [BMW M5: 2006, 2007, 2008, 2009, 2010] - [BMW M6: 2006, 2007, 2008, 2009, 2010, 2011] - [BMW X5: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW Z3: 1997, 1998, 1999, 2000, 2001, 2002] - [BMW Z4: 2003, 2004, 2005, 2006, 2007, 2008]