Replacement for your old or blocked crankcase oil breather separator Fitment:for BMW 3 Series E46 (1999-2005)for BMW 5 Series E39 (1998-2004)for BWM X5 E53 (2001-2003) Specifications:Material: Plastic + FiberManufacturer part number: 11127793163Cylinder Size: 6x5cm/2.36x1.96"Internal Diameter: 3.5cm/1.37"Rubber Gasket Size: 10x4cm/3.93x1.57" 7x7cm/2.75x2.75"Quantity: 1 Set Note:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bidDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents:1 x Oil Breather Separator2 x Gaskets