Rein ABV0123 Engine Crankcase Breather Hose - Pressure Regulator To Valve Cover

OE Breather Hose for BMW Crankcase Ventilation

Rein ABV0123 is an OE-quality engine crankcase breather hose for BMW crankcase ventilation service. It is built as a direct replacement for the original hose, with the same form, fit, and function for the pressure regulator to valve cover connection on supported BMW applications.

Key Features

• Matches original equipment design specifications.
• Made with high-quality materials for engine bay use.
• Direct-fit replacement for straightforward installation.
• Resists heat, salt, road debris, oil, and other contaminants.
• Uses 2 quick-connect fittings for the specified BMW applications.

Detailed Product Overview

This Rein breather hose is designed for BMW crankcase ventilation service where the hose runs from the pressure regulator to the valve cover. Rein ABV0123 follows OE dimensions and connection points so it installs in the same location as the factory part. It is a practical replacement for BMW 325Ci, 330Ci, X3, X5, 325i, 330i, 525i, 530i, Z4, Z3, 323Ci, 323i, 328Ci, and 328i applications listed below. This part cross-references URO 11617533398 for the same application.

Vehicle Fitment

• Fits 2001-2006 BMW 325Ci, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2001-2006 BMW 330Ci, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2004-2006 BMW X3, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2005-2006 BMW X5, Pressure Regulator To Valve Cover
• Fits 2001-2005 BMW 320i, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2001-2005 BMW 325i, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2001-2005 BMW 325xi, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2001-2005 BMW 330i, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2001-2005 BMW 330xi, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2001-2005 BMW 525i, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2001-2005 BMW 530i, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2003-2005 BMW Z4, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2004 BMW X5, Pressure Regulator To Valve Cover, Fitment note: Fits vehicles manufactured starting from October 2003.
• Fits 1999-2002 BMW Z3, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2000 BMW 323Ci, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 1999-2000 BMW 323i, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 2000 BMW 328Ci, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose
• Fits 1999-2000 BMW 328i, Pressure Regulator To Valve Cover, Cold Climate - Fits Engine Crankcase Breather Hose

Common Issues This Part Can Address

• Cracked or brittle breather hose material.
• Oil vapor leaks in the crankcase ventilation path.
• Loose or damaged quick-connect hose ends.
• Vacuum-related drivability issues from a failing hose.
• Contamination damage from heat, oil, and road exposure.

Installation Notes and Quality Assurance

Install this hose at the pressure regulator to valve cover location on the listed BMW applications. Verify the vehicle’s build date and cold-climate configuration where noted, especially for the 2004 BMW X5 fitment. Rein Automotive breather hoses are made to OE quality standards for European vehicles and are backed by a 24-month or 24,000-mile warranty.