Oil Separator Return Hose

The Genuine 11151406900 is a direct replacement oil separator return hose for select BMW vehicles. This part is crucial for the proper functioning of your vehicle's PCV system. This hose is specifically designed for the BMW 5 Series E39 models produced between October 1997 and June 2003, as well as the BMW Z8 E52 models from December 1998 to July 2003. It originates from the engine's air intake collector and connects to the oil separator. Ensure your vehicle's PCV system is running efficiently with this replacement Genuine part. When replacing this hose, it's important to note that some lower hoses may require the removal of the thermostat housing for access.