Current BMW:

(E39) 5-Series 1996-2003 Clear BMW chassis

BMW E39 Catalytic Converters

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)

Catalytic Converter - E39 528i 97-98 - 50 State Legal (more info)
50 State Legal

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 50 states including California.

This item fits the following BMWs:
1997-1998 E39 BMW 528i

Part #: DEC91474

Price: $949.95 (USD)

Catalytic Converter - E39 540i 97-98 - E38 740i/il 95-98 - Left (more info)
49 State Legal

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 Left Side - Cylinders 5-8, Bank 2.

This item fits the following BMWs:
1997-1998 E39 BMW 540i
1995-1998 E38 BMW 740i 740il

Part #: DEC71451

Price: $408.95 (USD)

Catalytic Converter - E39 540i 97-98 - E38 740i/il 95-98 - Right (more info)
49 State Legal

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 Right Side - Cylinders 1-4, Bank 1.

This item fits the following BMWs:
1997-1998 E39 BMW 540i
1995-1998 E38 BMW 740i 740il

Part #: DEC71450

Price: $408.95 (USD)

Catalytic Converter - E39 540i 97-98 - E38 740i/il 96-98 - 50 State Legal - Left (more info)
50 State Legal

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 Left Side - Cylinders 5-8, Bank 2.

This item fits the following BMWs:
1997-1998 E39 BMW 540i
1996-1998 E38 BMW 740i 740il

Part #: DEC91451

Price: $618.95 (USD)

Catalytic Converter - E39 540i 97-98 - E38 740i/il 96-98 - 50 State Legal - Right (more info)
50 State Legal

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 right Side - Cylinders 1-4, Bank 1.

This item fits the following BMWs:
1997-1998 E39 BMW 540i
1996-1998 E38 BMW 740i 740il

Part #: DEC91450

Price: $618.95 (USD)

Catalytic Converter - E39 540i 99-03 - E38 740i/il 99-01 - Left Front (more info)
49 State Legal

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 Left Front Side - Cylinders 5-8, Bank 2.

This item fits the following BMWs:
1999-2003 E39 BMW 540i
1999-2001 E38 BMW 740i 740il

Part #: DEC1491P

Price: $649.95 (USD)

Catalytic Converter - E39 540i 99-03 - E38 740i/il 99-01 - Left Rear (more info)
49 State Legal

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 Left Side - Cylinders 5-8, Bank 2.

This item fits the following BMWs:
1999-2003 E39 BMW 540i
1999-2001 E38 BMW 740i 740il

Part #: DEC1473D

Price: $309.95 (USD)

Catalytic Converter - E39 540i 99-03 - E38 740i/il 99-01 - Right Front (more info)
49 State Legal

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 Right Front Side - Cylinders 1-4, Bank 1.

This item fits the following BMWs:
1999-2003 E39 BMW 540i
1999-2001 E38 BMW 740i 740il

Part #: DEC1491D

Price: $649.95 (USD)

Catalytic Converter - E39 540i 99-03 - E38 740i/il 99-01 - Right Rear (more info)
49 State Legal

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 Right Side - Cylinders 1-4, Bank 1.

This item fits the following BMWs:
1999-2003 E39 BMW 540i
1999-2001 E38 BMW 740i 740il

Part #: DEC1473P

Price: $309.95 (USD)

Catalytic Converter - E39 M5 2000-2003 - Left (more info)
49 State Legal

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. Direct replacement for BMW # 18301406812.

This item fits the following BMWs:
2000-2003 E39 BMW M5

Part #: DEC1476D

Price: $459.95 (USD)

Catalytic Converter - E39 M5 2000-2003 - Right (more info)
49 State Legal

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. Direct replacement for BMW # 18301406813.

This item fits the following BMWs:
2000-2003 E39 BMW M5

Part #: DEC1476P

Price: $459.95 (USD)

Catalytic Converter - E46 323i 323ci 328i 328ci - E39 528i 99-00 - 50 State Legal - Front (more info)
50 State Legal

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

Part #: DEC91403FM

Price: $539.95 (USD)

Catalytic Converter - E46 323i 323ci 328i 328ci - E39 528i 99-00 - 50 State Legal - Rear (more info)
50 State Legal

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

Part #: DEC91403RM

Price: $539.95 (USD)

Catalytic Converter - E46 323i 323ci 328i 328ci - E39 528i 99-00 - Front (more info)
49 State Legal

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

Part #: DEC71403F

Price: $469.95 (USD)

Catalytic Converter - E46 323i 323ci 328i 328ci - E39 528i 99-00 - Rear (more info)
49 State Legal

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

Part #: DEC71403R

Price: $469.95 (USD)

Front Catalytic Converter - E39 525i 530i X5 3.0i (more info)
49 State Legal

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:
2001-2003 E39 BMW 525i 530i
2000-2006 E53 BMW X5 3.0i

Part #: DEC1402F

Price: $389.95 (USD)

Rear Catalytic Converter - E39 525i 530i X5 3.0i (more info)
49 State Legal

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:
2001-2003 E39 BMW 525i 530i
2000-2006 E53 BMW X5 3.0i

Part #: DEC1402R

Price: $389.95 (USD)