Crankcase Breather Separator Valve 11157522931 Review

OEM Replacement Part Number : Crankcase Vent Hose(1pc) : 11157522931 ; Crankcase Breather Hose(1pc) : 11617522933 ; Crankcase Breather Hose(1pc) : 11157527570 ; 11157567801 ; Oil Separator(1pc) : 11617531423. Fitment: N52 B30 BF; N52 B30 A; N52 B25 A / BM-W 7 (E65, E66, E67) 2001- / BM-W Z4 (E85) 2003- / BM-W 5 (E60) 2003-2010 / BM-W 5 Touring (E61) 2004- / BM-W 6 (E63) 2004- / BM-W 6 Convertible (E64) 2004- / BM-W 3 (E90) 2005-2011 / BM-W 3 Touring (E91) 2005-2012 / BM-W Z4 Coupe (E86) 2006-. The crankcase breather, located inside the engine, is a pipe which releases gasses trapped in the engine. If the engine is allowed to pressurize then you can lose performance. The car, during its normal function, creates a variety of gasses which can escape the piston rings. The crankcase breather is in place to route these gasses back to the carburetor. Meets or exceeds all original equipment specifications / Application specific design to ensure a perfect fit/ Unsurpassed quality you can trust. Please carefully check the OEM part numbers and pictures to make sure it is compatible with your car. Feel free to contact us when you have any question.