Genuine 11611432559 Engine Crankcase Breather Hose

BMW Crankcase Breather Hose

This Genuine engine crankcase breather hose routes vapors between the valve cover and the pressure regulating valve in BMW crankcase ventilation systems. Part number 11611432559 is used on a wide range of BMW 3 Series, 5 Series, X3, X5, and Z3 applications with the M54 and related vent pipe layouts.

• Genuine OE replacement crankcase breather hose
• Connects the valve cover to the pressure regulating valve
• Used in BMW crankcase ventilation and vent pipe routing
• Direct-fit service part for listed BMW applications
• Part number 11611432559 for ordering and verification

Fitment Details

• Fits 2003-2006 BMW 325Ci, M54; Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2001-2006 BMW 330Ci, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2004-2006 BMW X3, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2003-2005 BMW 325i, M54; Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2001-2005 BMW 325xi, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2001-2005 BMW 330i, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2001-2005 BMW 330xi, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2001-2005 BMW 525i, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2001-2005 BMW 530i, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2003-2005 BMW Z4, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2003 BMW X5, Thru 10/2003; Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2001-2002 BMW 325Ci, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2001-2002 BMW 325i, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2001-2002 BMW X5, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2001-2002 BMW Z3, M54; Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2000 BMW 323Ci, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 1999-2000 BMW 323i, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 2000 BMW 328Ci, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 1999-2000 BMW 328i, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 1999-2000 BMW 528i, Valve Cover to Pressure Regulating Valve; Vent Pipe
• Fits 1997-2000 BMW Z3, Valve Cover to Pressure Regulating Valve; Vent Pipe

Common Replacement Uses

• Cracked or brittle crankcase breather hose
• Oil vapor routing issues in the BMW crankcase ventilation system
• Vacuum leaks at the valve cover vent connection
• Damaged vent pipe connection between the valve cover and pressure regulating valve
• Service replacement for BMW 325i, 330i, and X3 vent hose applications

Installation Notes

Verify the vehicle year, model, and vent hose routing before installation. This hose is specified for the valve cover to pressure regulating valve path, so confirm the existing layout matches the listed notes for your BMW 325Ci, 530i, or Z3 application. Inspect adjoining crankcase ventilation components for wear or oil contamination during service.

Quality Assurance

Genuine OE part number 11611432559 is specified for the listed BMW applications and follows the original vent hose configuration used in the crankcase ventilation system. This part cross-references no additional part numbers in the provided data.