URO 11617533399 Engine Crankcase Breather Hose

Reliable Engine Crankcase Breather Hose for BMW Models

The URO Engine Crankcase Breather Hose 11617533399 is designed to maintain proper 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 with two branches and three hose connectors for precise fitment
• Consistent inside diameter of 0.71 inches on both ends ensures secure connections
• Includes a smaller branch with a 0.20-inch inside diameter for additional ventilation
• Compatible with multiple BMW models including 323Ci, 325i, 328i, 330i, 525i, 530i, X3, X5, Z3, and Z4

Durable Construction and Precise Fitment

This URO breather hose is molded to exact specifications, featuring two branches and three hose connectors to match the original equipment design. The use of EPDM PA6 / PA12 GF50 material provides resistance to heat, oil, and chemical exposure commonly found in engine compartments. Both main hose ends have an inside diameter of 0.71 inches, ensuring a tight seal and preventing leaks, while the smaller branch with a 0.20-inch diameter supports additional crankcase ventilation needs.

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 11617533399 ensures you receive the correct replacement component designed specifically for these vehicles.

Common Issues Addressed by This Breather Hose

• Prevents crankcase pressure buildup that can cause oil leaks
• Reduces engine contamination by properly venting blow-by gases
• Helps maintain optimal engine performance and fuel efficiency
• Minimizes emissions by supporting the vehicle’s emission control system
• Prevents hose cracking and failure due to heat and chemical exposure

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Verify that all hose connectors align with the corresponding ports on the engine and intake system. Inspect surrounding components for wear or damage during replacement. Properly secure all connections to prevent vacuum leaks and maintain system integrity.

Quality Assurance and Warranty

URO parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. While specific warranty details for part number 11617533399 are not provided, URO products typically come with a limited warranty against defects in material and workmanship.