Applicable Models:Replacement for 320i 2001-2005,323Ci 2000,323i 1998-2001,323is 1998-1999,323ti 1999-2000,325Ci 2001-2006,325i 2001-2005,325xi 2001-2005,328Ci 2000,328i 1996-2000,328is 1996-1999. Fit Vehicles:Compatible with 330Ci 2001-2006,330i 2001-2005,330xi 2001-2005,525i 2001-2005,528i 1996-2000,530i 2001-2005,M3 1996-1999,X3 2004-2006,X5 2000-2006,Z3 1996-2002,Z4 2003-2005. Product Advantages :Sianxaido Crankshaft Position Sensor are manufactured from qualitative materials to ensure reliability, durability and performance. Installation method: Directly replace the original parts, easy to operate, convenient installation. Note: Please check the vehicle model, corresponding year, reference number is correct, and the corresponding plug interface part before purchasing. If you have any questions, please tell us. CAUTIONS Pls carefully verify your year & make & model in the product details or check your parts pictures,parts No with ours before purchasing so as to prevent wrong purchasement and unnecessary expenses. If you have any questions,please let us know,we will reply you in 24 hours and offer the solve way for you.