OEM Number #: FJ1178, 13647639994, 13647645960, 13648625397, 0261500172. OE/OEM Part Number13647639994, 13648625397, FJ1178. For BMW M4 2015-2019. For BMW M3 2015-2018. The fuel injectors have been 100% tested and exactly match the internal coil resistance and fuel flow rate of OEM fuel injectors.
