Rein ABH0263 Engine Oil Separator

OE Breather Valve Replacement

Rein ABH0263 is an OE-quality breather valve built for European engine applications that require a direct replacement for the original part. It is engineered to match OEM fit and function for BMW models that use this breather valve design.

• Direct replacement for straightforward installation
• Manufactured to strict engineering quality standards
• Produced with high-quality materials
• Application-specific design for confirmed vehicle coverage
• OE-quality replacement for the original breather valve

Vehicle Fitment

• Fits 2001-2006 BMW 325Ci, N/A, Without Cold Climate
• Fits 2001-2006 BMW 330Ci, N/A, Without Cold Climate
• Fits 2004-2006 BMW X3, N/A, Without Cold Climate
• Fits 2001-2005 BMW 320i, N/A, Without Cold Climate
• Fits 2001-2005 BMW 325i, N/A, Without Cold Climate
• Fits 2001-2005 BMW 325xi, N/A, Without Cold Climate
• Fits 2001-2005 BMW 330i, N/A, Without Cold Climate
• Fits 2001-2005 BMW 330xi, N/A, Without Cold Climate
• Fits 2001-2005 BMW 525i, N/A, Without Cold Climate
• Fits 2001-2005 BMW 530i, N/A, Without Cold Climate
• Fits 2003-2005 BMW Z4, N/A, Without Cold Climate
• Fits 2004 BMW X5, N/A, To 10/03
• Fits 2001-2003 BMW X5, N/A
• Fits 1999-2002 BMW Z3, N/A, Without Cold Climate
• Fits 2000 BMW 323Ci, N/A, Without Cold Climate
• Fits 1999-2000 BMW 323i, N/A, Without Cold Climate
• Fits 2000 BMW 328Ci, N/A, Without Cold Climate
• Fits 1999-2000 BMW 328i, N/A, Without Cold Climate
• Fits 2000 BMW 528i, N/A
• Fits 2000 BMW Z3, N/A
• Fits 1999 BMW 528i, N/A, From 9/98
• Fits 1999 BMW Z3, N/A, From 9/98

What It Helps Address

• Cracked or worn breather valve housing
• Oil vapor separation issues in the crankcase ventilation system
• Rough idle or drivability concerns tied to ventilation faults
• Vacuum leaks caused by a failing breather valve assembly
• Maintenance replacement on BMW engine ventilation service

Installation Notes

Confirm the vehicle is listed by year, model, and note before ordering. This part number, ABH0263, is a direct replacement style component, so installation follows the original breather valve location and configuration on the covered BMW applications. Verify the cold-climate note and production cutoff details where shown, especially on X5 and Z3 applications.

This part cross-references Genuine 11617501566 for the same application.

Quality Assurance

Rein breather valves are built to OE-quality standards and are made to match the original manufacturer’s design requirements for the listed BMW applications. Part number ABH0263 includes a 24-month or 24,000-mile warranty.