URO 11157567801 Engine Crankcase Breather Hose

BMW Crankcase Breather Hose Replacement

This URO engine crankcase breather hose is a direct-fit replacement for select BMW return pipe applications. Built from PA6 plastic in black, it is shaped to match the original routing and connection sizes for a secure service replacement on 2006-2007 BMW 525i and 530i, plus 2006 BMW 325i and 330i.

Part number 11157567801 is a practical OE-style solution for BMW owners and technicians servicing the crankcase ventilation system. It is also cross-referenced with Gates EMH231 for the same application.

Key Features

• URO replacement engine crankcase breather hose
• Part number 11157567801
• PA6 construction with black finish
• End 1 inside diameter: 20.2 mm
• End 2 inside diameter: 9.15 mm
• One branch and one hose connector
• Compatible with BMW return pipe applications

Detailed Product Overview

URO Parts replacement components are made for European vehicles and are produced to meet or exceed OEM specifications. This breather hose is intended for crankcase ventilation service where the original hose has cracked, hardened, or lost sealing integrity. For BMW 325i, 330i, 525i, and 530i applications, the molded PA6 design supports proper fitment at the return pipe connection points while maintaining the original hose geometry.

Use part number 11157567801 when replacing a worn crankcase breather hose on the listed BMW models. The 11157567801 hose is a direct replacement choice for technicians and DIY repair work focused on restoring crankcase ventilation routing and connection integrity.

Vehicle Fitment

• Fits 2006 BMW 325i, return pipe.
• Fits 2006 BMW 330i, return pipe.
• Fits 2006-2007 BMW 525i, return pipe.
• Fits 2006-2007 BMW 530i, return pipe.

Common Issues This Part May Address

• Cracked or brittle crankcase breather hose
• Oil vapor leakage at the return pipe connection
• Vacuum leaks related to damaged ventilation plumbing
• Rough idle caused by compromised crankcase ventilation routing
• Check engine light concerns tied to ventilation system faults

Installation Notes and Tips

Confirm the hose end diameters and branch layout against the original part before installation. Inspect adjacent crankcase ventilation components, seals, and connectors for wear, since a damaged hose can be a symptom of broader ventilation system aging. Verify the routing matches the factory return pipe path on the BMW 325i, 330i, 525i, or 530i application before final assembly.

Quality Assurance

URO Parts replacement components are positioned as OEM-specification alternatives for European vehicle repair, and URO Premium products from A.P.A. are backed by an unlimited mileage, lifetime warranty. This part number 11157567801 is part of that URO replacement lineup for BMW crankcase ventilation service.