URO 11617504536 Engine Crankcase Breather Hose - Valve Cover To Oil Separator

Engine Crankcase Breather Hose for BMW

This URO engine crankcase breather hose restores the crankcase ventilation path on select BMW models when the original hose cracks, splits, or loses sealing. It is built for direct replacement use and supports proper hydrocarbon vapor control in the crankcase ventilation system.

• Direct replacement crankcase breather hose for emission control service
• Made from EPDM PA6/PA12 GF50 for heat and oil-vapor resistance
• Molded hose design with 2 hose connectors and 1 branch
• End inside diameters: 0.41 in and 0.21 in
• Fits BMW 325Ci, 330Ci, X3, X5, 325i, 325xi, 330i, 330xi, 525i, 530i, Z4, Z3, 323Ci, 323i, 328Ci, 328i, and 528i applications listed below

Fitment Details

• Fits 2001-2006 BMW 325Ci, From Connecting Hose to Return Pipe
• Fits 2001-2006 BMW 330Ci, From Connecting Hose to Return Pipe
• Fits 2004-2006 BMW X3, From Connecting Hose to Return Pipe
• Fits 2001-2006 BMW X5, From Connecting Hose to Return Pipe
• Fits 2003-2005 BMW 325i, From Connecting Hose to Return Pipe
• Fits 2001-2005 BMW 325xi, From Connecting Hose to Return Pipe
• Fits 2001-2005 BMW 330i, From Connecting Hose to Return Pipe
• Fits 2001-2005 BMW 330xi, From Connecting Hose to Return Pipe
• Fits 2001-2005 BMW 525i, From Connecting Hose to Return Pipe
• Fits 2001-2005 BMW 530i, From Connecting Hose to Return Pipe
• Fits 2003-2005 BMW Z4, From Connecting Hose to Return Pipe
• Fits 2001-2002 BMW 325i, Valve Cover To Oil Separator
• Fits 2001-2002 BMW Z3, From Connecting Hose to Return Pipe
• Fits 2000 BMW 323Ci, Production Date: from 01/00; From Connecting Hose to Return Pipe
• Fits 2000 BMW 323i, Production Date: from 01/00; From Connecting Hose to Return Pipe
• Fits 2000 BMW 328Ci, Production Date: from 01/00; From Connecting Hose to Return Pipe
• Fits 2000 BMW 328i, Production Date: from 01/00; From Connecting Hose to Return Pipe
• Fits 2000 BMW 528i, Production Date: from 01/00; From Connecting Hose to Return Pipe
• Fits 2000 BMW Z3, Production Date: from 01/00; From Connecting Hose to Return Pipe

What This Hose Helps Address

• Cracked or split crankcase breather hose
• Oil vapor leaks at the ventilation hose connection
• Improper crankcase ventilation flow
• Hydrocarbon emission control issues caused by a failed OE hose
• Vacuum-related drivability concerns tied to breather hose deterioration

Installation Notes

Verify the hose routing and connection points before installation, especially the application note for either the connecting hose to return pipe or valve cover to oil separator location. Confirm the vehicle year, model, and engine configuration against the listed fitment before ordering. This part cross-references Beck/Arnley 042-1493 and Gates EMH148 for the same application.

Quality Assurance

URO backs this replacement hose with a 24-month unlimited mileage warranty. The molded construction and heat- and oil-resistant material selection are intended to support long-term service in BMW crankcase ventilation systems. Part number 11617504536 is listed for direct-fit replacement use on the covered BMW applications.