Dorman 46044 PCV Valve Hose

Dorman 46044 PCV Valve Hose for BMW Crankcase Ventilation

Dorman 46044 is a PCV valve hose for BMW crankcase ventilation systems, built from plastic to replace a worn or leaking original hose. It supports proper crankcase ventilation for smoother engine operation and longer service life.

Key Features

• Plastic construction for OE-style hose replacement
• 3.5 in length with 1.75 in inside diameter
• Hose end inside diameter: 1.75 in
• Replaces a cracked, brittle, or leaking crankcase ventilation hose
• Package contents: breather hose

Detailed Description

This Dorman PCV valve hose, part number 46044, is a direct replacement for the crankcase valve to valve cover hose used on select BMW models. It is engineered to restore the connection in the crankcase ventilation path, helping maintain stable airflow through the PCV system. This part cross-references Genuine 11611432559 for the same application.

Compatible With BMW applications including 1997-2000 BMW Z3, 1999-2000 BMW 528i, 2001-2005 BMW 325i, 2001-2005 BMW 325xi, 2001-2005 BMW 330i, 2001-2005 BMW 330xi, 2001-2006 BMW 325Ci, 2001-2006 BMW 330Ci, 2001-2006 BMW X5, 2001-2007 BMW 525i, 2001-2007 BMW 530i, 2003-2008 BMW Z4, and 2004-2010 BMW X3. Dorman 46044 is also a fit for 1999-2000 BMW 323i, 2000 BMW 323Ci, 2000 BMW 328i, and 2000 BMW 328Ci, with application notes for models listed as exc. cold weather specification where noted.

What It Helps Address

• Crankcase ventilation hose cracking
• Air leaks at the valve cover connection
• Brittle or deteriorated PCV hose material
• Rough idle caused by vacuum leakage in the ventilation circuit
• Oil vapor routing issues from a damaged breather hose

Installation Notes and Tips

Verify the hose routing from the crankcase valve to the valve cover before installation. Confirm the vehicle is not equipped with the cold weather specification when that exclusion is listed. Match the 1.75 in inside diameter and 3.5 in length to the original hose layout for proper fitment on BMW 325i, 330i, X5, and related applications.

Quality Assurance

Dorman manufactures replacement parts to meet the needs of OE-style service repairs. Part number 46044 is built from quality materials selected to resist cracking and brittleness in crankcase ventilation service.