Vaico V20-0720 Engine Crankcase Vent Valve

Engine Crankcase Vent Valve for BMW Applications

The Vaico V20-0720 engine crankcase vent valve is a pressure-controlled diaphragm valve built for crankcase ventilation service on select BMW models. It uses a Polyamid 6.6 housing, FPM/ACM seal materials, and includes a seal ring for a direct replacement-style repair.

Compatible With BMW 318i, BMW 318is, BMW 318ti, and BMW Z3 applications listed below, this VAICO crankcase ventilation component is specified for vehicles that need stable crankcase pressure control and reliable sealing. The V20-0720 is also identified by the recommended accessory part number V20-1920.

Key Features

• Pressure-controlled diaphragm valve for crankcase ventilation service
• Polyamid 6.6 housing for durable underhood use
• FPM (fluoride rubber) and ACM (polyacrylate rubber) seal materials
• Includes seal ring
• Dimensions: 87 mm length, 77 mm width, 24 mm height
• Recommended replacement interval: 60,000 km or 3 years
• VAICO part number V20-0720

Detailed Description

VAICO V20-0720 is an engine crankcase vent valve for emission control and crankcase ventilation system service. Its diaphragm-valve design regulates pressure in the crankcase ventilation circuit, while the sealed construction helps maintain consistent operation in the intended BMW fitments. This part is listed for 1994-1998 BMW 318i, 1994-1997 BMW 318is, 1995-1999 BMW 318ti, and 1996-1998 BMW Z3 applications. The V20-0720 is a practical OE-style replacement choice when servicing crankcase ventilation components on these vehicles.

This part cross-references Standard Ignition V469 for the same application.

What It Helps Address

• Crankcase pressure regulation issues
• Oil vapor control concerns in the ventilation system
• Seal leakage at the valve connection point
• Rough operation caused by a worn diaphragm valve
• Maintenance replacement at the recommended service interval

Installation Notes and Tips

Verify the vehicle application before installation and compare the original valve shape, dimensions, and connector points to the V20-0720. Replace the valve ring seal during service and inspect nearby crankcase ventilation hoses and fittings for wear, cracking, or contamination. For BMW 318i, BMW 318is, BMW 318ti, and BMW Z3 models, confirm the correct engine-side routing and follow the vehicle service procedure.

Quality Assurance

VAICO supplies aftermarket replacement parts with application-specific fitment data and service interval guidance. The V20-0720 is specified with a recommended replacement interval of 60,000 km or 3 years to support planned maintenance on the crankcase ventilation system.