Vibrant Mild Steel Exh Manifold Flange for BMW E36/E46 platform motors (sold in pairs) 1/2in ThickVibrant Performance has developed one of the largest offerings of Exhaust Manifold Flanges in the industry. All of our Exhaust Manifold Flanges have had their exhaust port size optimized for either standard wall round tubing or Schedule 10 weld fittings. This Part Fits: Year Make Model Submodel 2000 BMW 323Ci Base 1998 2000 BMW 323i Base 1998 1999 BMW 323is Base 2001 2006 BMW 325Ci Base 1992 1995,2001 2005 BMW 325i Base 1992 1995 BMW 325is Base 2001