SKP SK46063R Engine Crankcase Breather Hose Check Valve

BMW Crankcase Breather Hose Check Valve

The SKP SK46063R is an engine crankcase breather hose check valve for select BMW applications with the valve-only configuration and without the cold climate option. It is a direct-fit emission control component for maintaining proper crankcase ventilation on BMW 325Ci, 330Ci, X3, X5, Z4, 325i, 325xi, 330i, 330xi, 525i, 530i, 323Ci, 323i, 328Ci, 328i, 528i, and Z3 models.

• Engine crankcase breather hose check valve for emission control service
• Valve-only design for BMW applications without cold climate option
• Direct replacement for select BMW crankcase ventilation system repairs
• Cross-references Dorman - HELP 46063 and Genuine 11617501566 for the same application
• Part number SK46063R for ordering and fitment verification

Detailed Product Overview

SK46063R is used in the crankcase ventilation system to regulate airflow and help maintain proper pressure control in the engine crankcase. It is a practical replacement for BMW vehicles that use the valve-only setup, including 2001-2006 BMW 325Ci and 330Ci, 2004-2006 BMW X3 and X5, 2003-2006 BMW Z4, and earlier 1997-2000 BMW Z3 and 1999-2000 BMW 323i, 328i, and 528i applications. If you are searching for a BMW crankcase breather hose check valve SK46063R or a replacement for BMW 325i crankcase ventilation service, this part matches the listed applications.

What It Helps Address

• Crankcase ventilation check valve failure
• Excessive crankcase pressure
• Rough idle related to ventilation system faults
• Oil vapor control issues in the breather circuit
• Check engine light conditions tied to crankcase ventilation faults

Installation Notes and Tips

Verify the vehicle is listed with the valve-only configuration and without the cold climate option before installation. Confirm the OE part number and inspect the surrounding breather hose and ventilation components for wear, cracking, or blockage during service. Fitment includes 2001-2006 BMW 325Ci, 330Ci, X3, X5, and Z4; 2001-2005 BMW 325i, 325xi, 330i, 330xi, 525i, and 530i; plus 1997-2000 BMW Z3 and other listed BMW models.

Quality Assurance

SKP offers this replacement part as an OE-style service component for the specified BMW crankcase ventilation applications. Part number SK46063R is listed with direct interchange references to support fitment confirmation during repair planning.