The Gates oil separator for 2001–2005 BMW 325i with the 2.5L six‑cylinder provides a vehicle‑specific crankcase vent replacement to restore proper oil separation and ventilation. Specified for those BMW years, it helps return the engine’s crankcase flow to intended operation and is supplied for use when replacing the original venting component on the listed models.
Gates 01-05 BMW 325I 6-Cyl. 2.5L Oil Separator Crankcase Vent Valves