Dorman 911-115 PCV Valve Diaphragm

Reliable PCV Valve Diaphragm for BMW Models

The Dorman 911-115 PCV valve diaphragm is designed to maintain proper crankcase ventilation in select BMW vehicles. Constructed from durable rubber and metal materials, this component ensures consistent performance and longevity in your emission control system.

• Durable rubber and metal construction for reliable operation
• Includes one cover, one diaphragm, and one spring for complete replacement
• Compatible with a wide range of BMW models including 220i, 320i, 328i, 420i, 520i, X1, X3, and Z4
• Part number 911-115 ensures precise fit and function

Product Details and Material Composition

The Dorman 911-115 PCV valve diaphragm is engineered with a combination of rubber and metal components to withstand the harsh conditions within the crankcase ventilation system. The rubber diaphragm provides a flexible seal that responds to pressure changes, while the metal spring maintains tension for proper valve operation. This assembly includes a cover, diaphragm, and spring, offering a comprehensive solution for restoring the PCV valve function in compatible BMW models.

Compatible BMW Models and Applications

This PCV valve diaphragm is compatible with various BMW vehicles, including the 220i, 228i, 320i, 328i, 420i, 520i, and select X and Z series models. Whether you drive a BMW 320i xDrive or a 428i Gran Coupe, part number 911-115 is designed to meet the specific requirements of your vehicle's emission control system.

• Helps prevent crankcase pressure buildup
• Reduces oil leaks and engine sludge formation
• Improves engine performance by maintaining proper ventilation
• Minimizes harmful emissions from the crankcase
• Addresses rough idling or engine stalling related to PCV valve failure

Installation Notes and Tips

When installing the Dorman 911-115 PCV valve diaphragm, ensure the engine is cool and the intake system is clean. Remove the old diaphragm carefully to avoid damaging surrounding components. Verify that the new diaphragm, cover, and spring are properly seated and secured to maintain an airtight seal. Consult your vehicle’s service manual for torque specifications and detailed installation procedures.

Quality Assurance and Warranty Information

Dorman manufactures the 911-115 PCV valve diaphragm to meet or exceed OEM standards for fit, form, and function. The use of quality rubber and metal materials ensures durability and reliable performance. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use.