Current BMW:

(E34) 5-Series 1989-1995 Clear BMW chassis

BMW E34 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 - E32 735i 1987-91, E34 535i 1989-91 (more info)
49 State Legal

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:
1989-1991 E34 BMW 535i
1988-1992 E32 BMW 735i 735il

Part #: DEC1429

Price: $409.95 (USD)

Catalytic Converter - E32 735i 1987-91, E34 535i 1989-91 - 50 State Legal (more info)
50 State Legal

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:
1989-1991 E34 BMW 535i
1988-1992 E32 BMW 735i 735il

Part #: DEC81429

Price: $559.95 (USD)

Catalytic Converter - E32 740i 1992-95 E34 540i 93-3/94 - 50 State Legal - Left (more info)
50 State Legal

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.

Left Side - Cylinders 5-8, Bank 2

This item fits the following BMWs:
1993-3/1994 E34 BMW 540i
1992-1994 E32 BMW 740i - not for 740il

Part #: DEC81439

Price: $459.95 (USD)

Catalytic Converter - E32 740i 1992-95 E34 540i 93-3/94 - 50 State Legal - Right (more info)
50 State Legal

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.

Right Side - Cylinders 1-4, Bank 1

This item fits the following BMWs:
1993-3/1994 E34 BMW 540i
1992-1994 E32 BMW 740i - not for 740il

Part #: DEC81438

Price: $459.95 (USD)

Catalytic Converter - E32 740i 1992-95 E34 540i 93-3/94 - Left Side (more info)
49 State Legal

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.

Left Side - Cylinders 5-8, Bank 2

This item fits the following BMWs:
1993-3/1994 E34 BMW 540i
1992-1994 E32 BMW 740i - not for 740il

Part #: DEC1439

Price: $408.95 (USD)

Catalytic Converter - E32 740i 1992-95 E34 540i 93-3/94 - Right Side (more info)
49 State Legal

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.

Right Side - Cylinders 1-4, Bank 1

This item fits the following BMWs:
1993-3/1994 E34 BMW 540i
1992-1994 E32 BMW 740i - not for 740il

Part #: DEC1438

Price: $408.95 (USD)

Catalytic Converter - E34 525i (M20) 1989-90 (more info)
49 State Legal

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:
1989-1990 E34 BMW 525i

Part #: DEC1432

Price: $444.95 (USD)

Catalytic Converter - E34 525i (M20) 1989-90 - 50 State Legal (more info)
50 State Legal

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:
1989-1990 E34 BMW 525i

Part #: DEC81432

Price: $509.95 (USD)

Catalytic Converter - E34 525i (M50) 1991-95 (more info)
49 State Legal

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:
1991-1995 E34 BMW 525i with M50 engine

Part #: DEC1436

Price: $489.95 (USD)

Catalytic Converter - E34 525i (M50) 1991-95 - 50 State Legal (more info)
50 State Legal

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:
1991-1995 E34 BMW 525i, 525i wagon - with M50 engine

Part #: DEC81436

Price: $659.95 (USD)

Catalytic Converter - E34 530i 94-95 - 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:
1994-1995 E34 BMW 530i

Part #: DEC81456

Price: $474.95 (USD)

Catalytic Converter - E34 530i 94-95 - 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:
1994-1995 E34 BMW 530i

Part #: DEC81455

Price: $474.95 (USD)

Catalytic Converter - E34 530i 94-95 - 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:
1994-1995 E34 BMW 530i

Part #: DEC71456

Price: $419.95 (USD)

Catalytic Converter - E34 530i 94-95 - 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:
1994-1995 E34 BMW 530i

Part #: DEC71455

Price: $419.95 (USD)

Catalytic Converter - E34 540i 3/94-95 - 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:
3/1994-1995 E34 BMW 540i br>

Part #: DEC81440

Price: $474.95 (USD)

Catalytic Converter - E34 540i 3/94-95 - 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:
3/1994-1995 E34 BMW 540i br>

Part #: DEC81441

Price: $474.95 (USD)

Catalytic Converter - E34 540i 3/94-95 - 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:
3/1994-1995 E34 BMW 540i br>

Part #: DEC1440

Price: $408.95 (USD)

Catalytic Converter - E34 540i 3/94-95 - 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:
3/1994-1995 E34 BMW 540i br>

Part #: DEC1441

Price: $408.95 (USD)

Catalytic Converter - E34 M5 1991-1993 (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:
1991-1993 E34 BMW M5

Part #: DEC1411A

Price: $429.95 (USD)

Catalytic Converter - E34 M5 1991-1993 - 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 s50 states including California.

This item fits the following BMWs:
1991-1993 E34 BMW M5

Part #: DEC81411A

Price: $599.95 (USD)