Vaico V20-0003 Engine Crankcase Vent Valve

Engine Crankcase Vent Valve for BMW

The Vaico V20-0003 is an engine crankcase vent valve assembly for BMW applications that use pressure-controlled crankcase ventilation. It is built with a Polyamid 6.6 housing, FPM/ACM sealing materials, and includes the hose specified in the product data for a direct service replacement.

VAICO Expert Kits+ packages the needed components in one box for a more complete repair approach. This makes the V20-0003 a practical choice for BMW 530i, 540i, 740i, and 740iL models where crankcase ventilation service is being performed.

Key Features

• Part number: V20-0003
• Engine crankcase vent valve / breather valve
• Pressure-controlled operating mode
• Fitting position: cylinder head
• Housing material: Polyamid 6.6
• Seal material: FPM (fluoride rubber) / ACM (polyacrylate rubber)
• Supplementary article info: with hose
• VAICO Expert Kits+ product line for grouped service parts

Detailed Description

The Vaico V20-0003 crankcase ventilation valve is engineered for BMW crankcase breather service where stable pressure control and proper vapor routing are required. Its cylinder-head mounting location, pressure-controlled design, and hose inclusion align with the service needs of BMW 530i, BMW 540i, BMW 740i, and BMW 740iL applications listed in the fitment data. The part number V20-0003 also cross-references Genuine 11151705272 for the same application.

As part of the VAICO Expert Kits+ line, this assembly reflects a repair-set approach for emission control service in the crankcase ventilation system. The product dimensions and material selection support a service replacement that matches the original system layout more closely than a generic valve-only swap.

Common Issues This Part Addresses

• Crankcase pressure control faults
• Oil vapor routing problems in the ventilation system
• Breather valve wear or sticking
• Vacuum control concerns related to crankcase ventilation
• Service replacement for cracked or aged ventilation components

Installation Notes and Tips

Install the valve at the cylinder head and verify hose routing before final assembly. Inspect adjacent crankcase ventilation lines, seals, and connectors for age-related wear during service. For BMW 530i, 540i, 740i, and 740iL applications, confirm the existing system matches the listed fitment and notes before ordering. The recommended replacement interval is 60,000 km or 3 years.

Quality Assurance

VAICO supplies this part as an Expert Kits+ service solution with the required components grouped for the application. The V20-0003 is built with specified housing and seal materials for crankcase ventilation service and is listed with OE cross-reference 11151705272.