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URO 11157522931 Engine Crankcase Breather Hose - Vent Valve Return Line To Valve Cover
| Brand | URO 11157522931 |
|---|---|
| Position | Vent Valve Return Line To Valve Cover |
| Material | Pa 12 |
| Length | 294.74 |
| Color | Black |
| End 1 Inside Diameter | 18.16 |
| End 2 Inside Diameter | 18.35 |
| End 1 Outside Diameter | 30.82 |
| End 2 Outside Diameter | 30.57 |
| Molded | Yes |
| Number Of Branches | 1 |
| Number of Hose Connectors | 2 |
| Number Of Quick Connect Fittings | 2 |
| Fits | BMW · 14 vehicles |
OE-spec replacement. Meets or exceeds OEM specifications for dependable service.
Molded PA 12 construction. Built for a precise fit and lasting durability.
Quick-connect ends. Two connectors make installation straightforward.
Cross-references Dorman - OE Solutions 917-125, Gates EMH138 and Genuine 11157522931 for the same application. See all 8.
BMW Crankcase Breather Hose Replacement
This URO engine crankcase breather hose is a molded PA 12 replacement for the crankcase ventilation system on select BMW models. Built to match OEM-style dimensions and connector layout, it supports the vent valve return line to the valve cover on the applications listed below.
Key Features
- Brand: URO
- Part number: 11157522931
- Engine crankcase breather hose for emission control and crankcase ventilation service
- Molded PA 12 construction in black
- Length: 294.74 mm
- End 1 inside diameter: 18.16 mm; end 2 inside diameter: 18.35 mm
- End 1 outside diameter: 30.82 mm; end 2 outside diameter: 30.57 mm
- Two hose connectors and two quick connect fittings
- Fits the vent valve return line to valve cover position
Detailed Description
URO part number 11157522931 is an engine crankcase breather hose made for European vehicle applications where the crankcase ventilation routing must remain sealed and properly connected. The molded PA 12 design helps maintain the original hose shape and connection geometry, while the specified diameters and quick-connect ends support a direct replacement for the factory-style routing. This part is listed for BMW 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and Z4 models in the vent valve return line to valve cover position.
This part cross-references Genuine 11157522931 and Gates EMH138 for the same application. It is a practical replacement choice for BMW 325i and BMW 530i crankcase ventilation repairs where the original breather hose has aged, cracked, or lost sealing integrity. The part number 11157522931 is also commonly searched as BMW breather hose, vent valve return line hose, and crankcase ventilation hose.
What It Helps Address
- Cracked or brittle crankcase breather hose material
- Vacuum leaks in the crankcase ventilation circuit
- Oil vapor routing issues from the vent valve return line
- Loose or damaged quick-connect hose ends
- Check engine concerns related to ventilation system sealing
Installation Notes and Tips
Verify the hose routing, connector style, and molded shape against the removed part before installation. Confirm the vehicle application by model year and production date, especially for BMW Z4 vehicles with production date range to 09/06. Inspect adjacent crankcase ventilation components, valve cover connections, and seals for wear before completing the repair.
Quality Assurance
URO Parts replacement components are manufactured to meet or exceed OEM specifications for European vehicles. A.P.A. also offers upgraded URO Premium components for certain applications, and the brand supports those products with an unlimited mileage, lifetime warranty.
Compatible With
- Fits 2006-2007 BMW 525i, Vent Valve Return Line To Valve Cover
- Fits 2006-2007 BMW 525xi, Vent Valve Return Line To Valve Cover
- Fits 2006-2007 BMW 530i, Vent Valve Return Line To Valve Cover
- Fits 2006-2007 BMW 530xi, Vent Valve Return Line To Valve Cover
- Fits 2006 BMW 325i, Vent Valve Return Line To Valve Cover
- Fits 2006 BMW 325xi, Vent Valve Return Line To Valve Cover
- Fits 2006 BMW 330i, Vent Valve Return Line To Valve Cover
- Fits 2006 BMW 330xi, Vent Valve Return Line To Valve Cover
- Fits 2006-2007 BMW Z4, Vent Valve Return Line To Valve Cover, Production Date Range: To 09/06
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2007 | BMW | 525i | — | Vent Valve Return Line To Valve Cover | — |
| 2007 | BMW | 525xi | — | Vent Valve Return Line To Valve Cover | — |
| 2007 | BMW | 530i | — | Vent Valve Return Line To Valve Cover | — |
| 2007 | BMW | 530xi | — | Vent Valve Return Line To Valve Cover | — |
| 2007 | BMW | Z4 | Coupe 3.0si | Vent Valve Return Line To Valve Cover | Production Date Range: To 09/06 |
| 2006 | BMW | 325i | — | Vent Valve Return Line To Valve Cover | — |
| 2006 | BMW | 325xi | — | Vent Valve Return Line To Valve Cover | — |
| 2006 | BMW | 330i | — | Vent Valve Return Line To Valve Cover | — |
| 2006 | BMW | 330xi | — | Vent Valve Return Line To Valve Cover | — |
| 2006 | BMW | 525i | — | Vent Valve Return Line To Valve Cover | — |
| 2006 | BMW | 525xi | — | Vent Valve Return Line To Valve Cover | — |
| 2006 | BMW | 530i | — | Vent Valve Return Line To Valve Cover | — |
| 2006 | BMW | 530xi | — | Vent Valve Return Line To Valve Cover | — |
| 2006 | BMW | Z4 | Coupe 3.0si | Vent Valve Return Line To Valve Cover | Production Date Range: To 09/06 |
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