URO 11617533398 Engine Crankcase Breather Hose

Reliable Engine Crankcase Breather Hose for BMW Models

The URO Engine Crankcase Breather Hose 11617533398 is designed to maintain optimal crankcase ventilation in select BMW vehicles. Engineered with durable materials, this breather hose supports efficient emission control and engine performance.

• Constructed from high-quality EPDM PA6 / PA12 GF50 material for durability and heat resistance
• Molded design ensures precise fit and secure connections
• End 1 inside diameter: 0.41 inches; End 2 inside diameter: 0.21 inches for proper airflow
• Features one branch and two hose connectors for reliable crankcase ventilation
• Compatible with multiple BMW models including 323Ci, 325i, 330xi, X3, X5, Z3, and Z4

Durable Materials and Precise Fitment

This URO breather hose is manufactured using EPDM PA6 / PA12 GF50, a material blend known for its resistance to heat, oil, and chemical degradation. The molded construction provides a secure and leak-free connection, essential for maintaining proper crankcase pressure and reducing harmful emissions. With an inside diameter of 0.41 inches on one end and 0.21 inches on the other, the hose is designed to fit specific BMW engine configurations accurately.

Compatible BMW Models and Part Number Details

This engine crankcase breather hose is compatible with a range of BMW vehicles, including the 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, 330xi, 525i, 530i, X3, X5, Z3, and Z4 models. The part number 11617533398 ensures you receive the correct replacement part for your vehicle’s emission control system.

Common Applications and Problem Resolution

• Prevents crankcase pressure buildup that can cause oil leaks
• Reduces engine blow-by emissions for cleaner operation
• Maintains proper ventilation to avoid engine performance issues
• Helps prevent contamination of intake components
• Addresses issues related to cracked or worn breather hoses

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Remove the old breather hose carefully to avoid damaging surrounding components. Verify that the molded hose fits securely onto the connectors with no gaps or leaks. Double-check the inside diameters to confirm compatibility with your specific BMW model. Proper installation helps maintain engine efficiency and emission compliance.

Quality Assurance and Warranty

URO parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The use of EPDM PA6 / PA12 GF50 material ensures resistance to heat and chemical exposure common in engine environments. While specific warranty details are not provided, URO products typically come with a limited warranty against defects in material and workmanship.