Compatibility: Replacement for 323i 325i 328i E36 525i E34 E39 530i 540i E39 E60 740i E38 E65 850i E31 M3 E46 1988-1999 Part Number: Replacement for 58356, 1385161, 64521385161, 64528385908, 64528385909, 64528385915, 64528390336 Pulley Groove Quantity: 5 Reliable Performance: Its main body is made of high-strength material, which is reliable, rigid. It will not crack, break, or leak Strong Cooling Function: The ac compressor can provide sufficient pressure, which increases power force and decreases engine load. It dramatically improves the cooling function: features as high and stable efficiency, and reliability