Our Catalytic Converters are the same quality construction as OEM but at a third of the cost! These are a direct replacement for the original BMW catalytic converter. These bolt on to your stock exhaust manifold and muffler, no welding required. We offer cats for both pre-OBDII BMW's (pre 1996) and BMW's with OBDII (1996+). We offer both 50 state legal converters and less expensive 49 state versions. Meets all EPA and CARB requirements. A factory warranty is included: 2 year/25,000 on internals, and 5 years/50,000 miles on exterior shell.
Available for the following BMWs: (click icon to change BMW)
This catalytic converter is a direct fit replacement to OEM, but at a third of the cost. No welding required because these bolt on to your stock exhaust manifold and muffler. Backed by a manufacturers warranty - 2 years on the catalyst and 5 years on the external pipes. Legal in all 50 states including California. This is for the Front Catalytic Converter - Cylinders 1-3, Bank 1.
This item fits the following BMWs:
1999-2000 E46 BMW 323i 323ci 328i 328ci
1999-2000 E39 BMW 528i
This catalytic converter is a direct fit replacement to OEM, but at a third of the cost. No welding required because these bolt on to your stock exhaust manifold and muffler. Backed by a manufacturers warranty - 2 years on the catalyst and 5 years on the external pipes. Legal in all 50 states including California. This is for the Rear Catalytic Converter - Cylinders 4-6, Bank 2.
This item fits the following BMWs:
1999-2000 E46 BMW 323i 323ci 328i 328ci
1999-2000 E39 BMW 528i
This catalytic converter is a direct fit replacement to OEM, but at a third of the cost. No welding required because these bolt on to your stock exhaust manifold and muffler. Backed by a manufacturers warranty - 2 years on the catalyst and 5 years on the external pipes. Legal in all states except California. We also offer a version that is legal all 50 states including California. This is for the Front Catalytic Converter - Cylinders 1-3, Bank 1.
This item fits the following BMWs:
1999-2000 E46 BMW 323i 323ci 328i 328ci
1999-2000 E39 BMW 528i
This catalytic converter is a direct fit replacement to OEM, but at a third of the cost. No welding required because these bolt on to your stock exhaust manifold and muffler. Backed by a manufacturers warranty - 2 years on the catalyst and 5 years on the external pipes. Legal in all states except California. We also offer a version that is legal all 50 states including California. This is for the Rear Catalytic Converter - Cylinders 4-6, Bank 2.
This item fits the following BMWs:
1999-2000 E46 BMW 323i 323ci 328i 328ci
1999-2000 E39 BMW 528i
Direct fit replacement to OEM but at a third of the cost. No welding required because these bolt on to your stock exhaust manifold and muffler.Backed by a manufacturers warranty - 2 years on the catalyst and 5 years on the external pipes. Legal in all states except California. This Front Catalytic Converter is for Bank 1 - Cylinders 1-3.
This item fits the following BMWs:
2001-2005 E46 BMW 325i 325ci 325xi - M54 Engine Only
2001-2005 E46 BMW 330i 330ci 330xi
2000-2002 Z3 BMW Z3 3.0i
Direct fit replacement to OEM but at a third of the cost. No welding required because these bolt on to your stock exhaust manifold and muffler.Backed by a manufacturers warranty - 2 years on the catalyst and 5 years on the external pipes. Legal in all states except California. This Rear Catalytic Converter is for Bank 2 - Cylinders 4-6.
This item fits the following BMWs:
2001-2005 E46 BMW 325i 325ci 325xi - M54 Engine Only
2001-2005 E46 BMW 330i 330ci 330xi
2000-2002 Z3 BMW Z3 3.0i
Catalytic Converters
