The crankcase breather valve is used to purge the oil vapor from the engine block into the valve cover. However, sometimes condensation can cause it to freeze, causing the entire oil separator system to fail, crack, and disintegrate.
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This Crankcase Vent Hose - From Valve Cover to Oil Separator fits BMWs with the M52 or M54 6 cylinder engine including E46 323i 325i 328i 330i E39 525i 528i 530i E60 525i 530i X3 2.5i 3.0i X5 3.0i Z3 2.5 2.8 3.0i Z4 2.5i 3.0i.
This item fits the following BMWs: 1999-2005 E46 BMW 323i 323ci 328i 328ci 330i 330ci 330xi 1999-2005 E46 BMW 325i 325ci 325xi - only with M54 engine 1999-2003 E39 BMW 528i 528i 530i 2004-2005 E60 BMW 525i 525xi 530i 530xi 2004-2006 E83 BMW X3 2.5i X3 3.0i 2000-2006 E53 BMW X5 3.0i 1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8i Z3 3.0i 2003-2006 E85 BMW Z4 2.5i Z4 3.0i Show More Show Less
