Vaico V20-0784 Engine Crankcase Breather Hose - Pressure Regulator To Intake Manifold

Engine Crankcase Breather Hose for BMW

Restore crankcase ventilation performance with this VAICO engine crankcase breather hose, part number V20-0784. It is built for cold climates and is specified for the pressure regulator to intake manifold connection on select BMW models, including BMW 325Ci, 330Ci, X3, and other 2000-2006 applications.

Key Features

• Engine crankcase breather hose for the crankcase ventilation system
• Designed for cold climates
• Dimensions: 144 mm length, 96 mm width, 24 mm height
• Lightweight construction at 0.036 kg
• VAICO part number V20-0784 for direct catalog lookup

Product Details

VAICO VAICO V20-0784 is an emission control hose used in the crankcase ventilation system, connecting the pressure regulator to the intake manifold on supported BMW applications. The hose dimensions and cold-climate specification make it a practical OE-style replacement for vehicles that need a properly routed breather line to maintain crankcase ventilation flow. This part cross-references Febi-Bilstein 46302 for the same application.

Compatible With BMW 325Ci, 2001-2006, pressure regulator to intake manifold; BMW 330Ci, 2001-2006, pressure regulator to intake manifold; BMW X3, 2004-2006, pressure regulator to intake manifold; BMW 320i, 2001-2005, pressure regulator to intake manifold; BMW 325i, 2001-2005, pressure regulator to intake manifold; BMW 325xi, 2001-2005, pressure regulator to intake manifold; BMW 330i, 2001-2005, pressure regulator to intake manifold; BMW 330xi, 2001-2005, pressure regulator to intake manifold; BMW 525i, 2001-2005, pressure regulator to intake manifold; BMW 530i, 2001-2005, pressure regulator to intake manifold; BMW Z4, 2003-2005, pressure regulator to intake manifold; BMW X5, 2001-2002, pressure regulator to intake manifold; BMW Z3, 2000-2002, pressure regulator to intake manifold; BMW 323Ci, 2000, pressure regulator to intake manifold; BMW 323i, 2000, pressure regulator to intake manifold; BMW 328Ci, 2000, pressure regulator to intake manifold; BMW 328i, 2000, pressure regulator to intake manifold; BMW 528i, 2000, pressure regulator to intake manifold.

Common Issues This Part Can Address

• Cracked or brittle crankcase breather hose
• Vacuum leaks at the pressure regulator to intake manifold connection
• Rough idle caused by ventilation hose deterioration
• Oil vapor routing problems in the crankcase ventilation system
• Cold-weather hose shrinkage or hardening

Installation Notes and Tips

Verify the hose routing and connection points before installation, especially on BMW 325Ci, BMW 330Ci, and BMW X3 applications. Match the existing hose path to the intake manifold and pressure regulator locations, and inspect nearby ventilation components for wear or cracking while the system is open. Confirm fitment by year, model, and position before ordering.

Quality Assurance

VAICO supplies OE-style replacement parts for European vehicles, and this hose is cataloged with direct interchange references including Dorman HELP 46045 and Gates EMH141. Use the part number V20-0784 to confirm the correct application for your BMW crankcase ventilation repair.