1、OE Number: The referencing OE number of this serpentine belt is 6PK1540, which is molded and designed depend on the original data. 2、Fitment: The serpentine drive belt is a replacement for 323Ci 2.5L 2494CC 152Cu 2000, for 323i 2.5L 2494CC 152Cu. 1999‑2000, for 325Ci 2.5L 2494CC 152Cu. 2001‑2006. 3、Material: Ground rubber ribs are compounded from high strength synthetic rubber for wear resistance and long life. Flexible, oil and heat resistant backing extend belt life. 4、Practical: Strong tensile cords carry high horsepower loads without stretching. A good and perfect substitute, you can directly replace your worn or damaged ones for time saving. 5、Easy Installation: Easy to install, no modification, cutting, or drilling required. It adopts original standard, which is a perfect replacement and can perfectly match to your car.