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 states except California. We also offer a version that is legal all 50 states including California.
This item fits the following BMWs:
1980-1981 E12 BMW 528i
1980-1981 E24 BMW 633csi
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 item fits the following BMWs:
1980-1981 E12 BMW 528i
1980-1981 E24 BMW 633csi
Direct fit and 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 item fits the following BMWs:
1982-1984 E28 BMW 533i
1982-1984 E24 BMW 633csi
Direct fit and 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 item fits the following BMWs:
1982-1984 E28 BMW 533i
1982-1984 E24 BMW 633csi
Direct fit and 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 item fits the following BMWs:
1988-1989 E24 BMW 635csi
Direct fit and 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 item fits the following BMWs:
1988-1989 E24 BMW 635csi
This item fits the following BMWs:
1988-1989 E24 BMW 635csi
Direct fit and 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 item fits the following BMWs:
1985-1988 E28 BMW 535i 535is
1985-1987 E24 BMW 635csi
Direct fit and 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 item fits the following BMWs:
1985-1988 E28 BMW 535i 535is
1985-1987 E24 BMW 635csi
Direct fit and 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 item fits the following BMWs:
1988 E28 BMW M5
1987-1989 E24 BMW M6
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
This item fits the following BMWs:
1988 E28 BMW M5
1987-1989 E24 BMW M6
Catalytic Converters
