Vaico V20-1118 Engine Oil Separator

Engine Oil Separator for BMW X5

The Vaico V20-1118 engine oil separator is a pressure-controlled crankcase ventilation component built with a Polyamid 6.6 housing and a breather valve design. It is specified for 2000-2003 BMW X5 applications and is intended for direct replacement service on the engine cylinder block system.

Key Features

• Pressure-controlled operating mode for crankcase ventilation management
• Breather valve type for oil vapor separation and airflow control
• Polyamid 6.6 housing material for durable engine-bay use
• Dimensions: 216 mm height, 81 mm width, 65 mm length
• Recommended replacement interval: 60,000 km or 3 years
• Alternative repair kit and recommended accessory part number: V20-0006

Detailed Description

Vaico V20-1118 is an engine oil separator for BMW X5 models from 2000 through 2003. This component helps manage crankcase pressure by separating oil mist from blow-by gases before they are routed through the breather system. The pressure-controlled design and breather valve layout support stable ventilation performance in the engine cylinder block system. For buyers searching for a BMW X5 engine oil separator, BMW X5 crankcase breather valve, or Vaico V20-1118 replacement part, this unit matches the listed application and service interval guidance.

VAICO product line parts are built around OE-style replacement requirements, with matching dimensions and application-specific service references. This part cross-references Eastern Catalytic 40990 for the same application.

What It Is Used For

• Oil vapor separation in the crankcase ventilation circuit
• Managing excess crankcase pressure
• Reducing oil mist carryover into the intake path
• Replacing a worn or restricted breather valve assembly
• Restoring proper ventilation function on BMW X5 2000-2003 models

Installation Notes and Tips

Verify the part number V20-1118 against the vehicle’s existing separator before installation. Confirm the recommended accessory or repair kit reference V20-0006 when servicing related components. Check surrounding ventilation hoses and seals for wear during replacement, and follow the vehicle service procedure for the BMW X5 engine ventilation system.

Quality Assurance

Vaico lists a service replacement interval of 60,000 km or 3 years for this oil separator. The part is built with a Polyamid 6.6 housing and application-specific dimensions for the listed BMW X5 fitment.