This engine crankshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [BMW 318i: 1997, 1998, 1999] - [BMW 320i: 1993, 1994, 1995] - [BMW 323Ci: 2000] - [BMW 323i: 1997, 1998, 1999, 2000] - [BMW 323ti: 1999, 2000] - [BMW 325Ci: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW 325i: 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [BMW 325xi: 2001, 2002, 2003, 2004, 2005] - [BMW 328Ci: 2000] - [BMW 328i: 1996, 1997, 1998, 1999, 2000] - [BMW 330Ci: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW 330i: 2001, 2002, 2003, 2004, 2005] - [BMW 330xi: 2001, 2002, 2003, 2004, 2005] - [BMW 525i: 2001, 2002, 2003] - [BMW 530i: 2001, 2002, 2003] - [BMW 728i: 1997] - [BMW M3: 1996, 1997, 1998, 1999] - [BMW X5: 2001, 2002, 2003, 2004, 2005, 2006] - [BMW Z3: 1996, 1997, 1998, 1999, 2000, 2001, 2002]