Clutch Hydraulic Pump compatible with 325Ci, 330Ci, 325i, 330i, 525i, 545i, 530i, 550i, 650i, 645Ci, Z4 models from 2003 to 2007.Fits vehicles with E46, E60, E61, E63, E64, E85 chassis codes.Designed for use in 3 Series, 5 Series, 6 Series, and Z4 applications within the specified model years.