This timing chain kit is designed for BMW X1, X3, 130i, 328i, 330xi, 525i, 640i, 2.5, and 3.0 engines. It includes one timing chain tensioner, one timing chain rail, one timing chain rail and guide assembly, one timing chain, and one sprocket. The kit is made in China and has 148 chain links. It is compatible with OE/OEM part numbers ZC0035K, 11317603944, 11317584084, 11317592877, 11317585020, 11317584723, 11317502180, 11317567680, 11318648732, 11317592850, and 11317502180. Exact item kit is shown. New open box without original packaging. Made in China. Kit weight 3 lbs. No returns on installed items or partial kits. This item is a new, opened customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties.