11311439854 11317567680 1Set Timing Chain Kit Fits For N46 N42 118i 120i 520i X1 X3 Z4 Rail

For N46 N42 118i 120i 520i X1 X3 Z4 11311439854 11317567680 11317512520 11317505608 11317502180 1set Timing Chain Kit Crafted Durability materials, this timing chain kit withstands harsh engine conditions, ensuring longevity. Quiet and Smooth Operation:Designed for quiet, vibration-free Funtion, enhancing your vehicle's driving experience. The same belt has high precision and excellent cushioning, making it quieter during operation. The curved shape increases force transmission and reduces smooth wind resistance.