HomeEmission Control > Crankcase Ventilation SystemGates EMH911 Engine Crankcase Vent Valve - Oil Separator
Part #: EMH911

Gates EMH911 Engine Crankcase Vent Valve - Oil Separator

Crankcase Vent Valve, Oil Separator
13 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Crankcase Vent Valve, Oil Separator
Fitment: BMW, 525i, 525xi, 530i, 530xi, 325i, 325xi, 330i, 330xi, and Z4
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Overview of Gates Crankcase Vent Valve EMH911

The Gates Crankcase Vent Valve EMH911 is designed to maintain proper crankcase ventilation in select BMW models. Engineered with durable plastic and multiple hose connectors, this valve supports efficient emission control and engine performance.

  • Constructed from high-quality plastic for durability
  • Equipped with three hose connectors for versatile installation
  • Includes oil separator and insulating sleeve for enhanced function
  • Multiple inside diameters: 0.6, 0.715, 0.9 inches (15, 19, 23 mm)
  • Compatible with various BMW models including 325i, 330i, 525i, 530i, and Z4

Detailed Product Description

The Gates Crankcase Vent Valve EMH911 is part of the Crankcase Vent Valve product line, which focuses on effective crankcase ventilation to reduce harmful emissions and maintain engine efficiency. This valve features three hose connectors with inside diameters of 0.6, 0.715, and 0.9 inches (15, 19, and 23 mm), allowing it to fit multiple hose sizes commonly found in BMW engines. The inclusion of an oil separator and insulating sleeve helps prevent oil contamination and protects the valve from heat damage, ensuring reliable operation over time.

Applications and Problem Solving

  • Prevents excessive crankcase pressure buildup in BMW 325i, 330i, 525i, 530i, and Z4 models
  • Reduces oil vapor emissions to comply with emission control standards
  • Helps avoid engine performance issues caused by faulty ventilation
  • Minimizes oil leaks and contamination within the crankcase ventilation system
  • Supports proper engine breathing to maintain fuel efficiency

Installation Notes and Tips

  • Ensure compatibility with your BMW model before installation
  • Inspect all hose connections for wear or damage prior to replacement
  • Use appropriate tools to avoid damaging plastic components during installation
  • Verify that all hose connectors are securely attached to prevent leaks
  • Follow manufacturer torque specifications for mounting hardware

Quality Assurance and Warranty

The Gates Crankcase Vent Valve EMH911 is manufactured to meet OEM standards for fit and function. Made from durable plastic and equipped with essential components like the oil separator and insulating sleeve, this valve is designed for long-term reliability. While specific warranty details are not provided, Gates products typically adhere to strict quality control processes to ensure consistent performance in BMW 3 Series, 5 Series, and Z4 vehicles.

BrandGates
Part NumberEMH911
PositionCrankcase Vent Valve, Oil Separator
ContentsOil Separator, Insulating Sleeve
Hose Connector Quantity3
Inside Diameter.6
Inside Diameter.715
Inside Diameter.9
Inside Diameter15
Inside Diameter19
Inside Diameter23
Inside Diameter 1 (in).9
Inside Diameter 1 (mm)23
Inside Diameter 2 (in).715
Inside Diameter 2 (mm)19
Inside Diameter 3 (in).6
Inside Diameter 3 (mm)15
MaterialPlastic
MaterialPlastic
Number of Hose Connectors3

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2007BMW525i3.0LL6GASOil SeparatorCrankcase Vent Valve
2007BMW525xi3.0LL6GASOil SeparatorCrankcase Vent Valve
2007BMW530i3.0LL6GASOil SeparatorCrankcase Vent Valve
2007BMW530xi3.0LL6GASOil SeparatorCrankcase Vent Valve
2006BMW325i3.0LL6GASOil SeparatorCrankcase Vent Valve
2006BMW325xi3.0LL6GASOil SeparatorCrankcase Vent Valve
2006BMW330i3.0LL6GASOil SeparatorOct. 2005 & Newer; Crankcase Vent Valve
2006BMW330xi3.0LL6GASOil SeparatorCrankcase Vent Valve
2006BMW525i3.0LL6GASOil SeparatorCrankcase Vent Valve
2006BMW525xi3.0LL6GASOil SeparatorCrankcase Vent Valve
2006BMW530i3.0LL6GASOil SeparatorCrankcase Vent Valve
2006BMW530xi3.0LL6GASOil SeparatorCrankcase Vent Valve
2006BMWZ43.0LL6GASOil SeparatorCrankcase Vent Valve

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11617531423ABH0175EMH911

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.