
The Gates oil separator for 2001–2005 BMW 325i with the 2.5L six‑cylinder replaces the factory crankcase vent component to manage oil separation and crankcase ventilation. Specified for those model years, this service part supports the engine’s venting system and is intended as a direct, vehicle‑specific replacement to restore proper oil/vapor control in the listed BMW application.
Gates 01-05 BMW 325I 6-Cyl. 2.5L Oil Separator Crankcase Vent Valves