Catalytic Converters

BMW catalytic converters are necessary to a BMW's exhaust and emissions system. A BMW catalyzer (or "cat") reduces pollution, reduces exhaust smell and is federally mandated. Ignoring a bad BMW cat can reduce performance significantly, so replacing them with our one of our high-quality, high-flow options is a way to make the world better and keep the smile on your horsepower-loving, BMW-driving face. Use our SEARCH BY MODEL feature to filter these items for your BMW.

Need help finding Catalytic Converters for your BMW? Call us at 877.639.9648, email us, or live chat for expert assistance.

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Exhaust Manifold Gasket, Elring - E60 M5,E63 M6

Gasket for exhaust manifold to head. OEM replacement for BMW part #11627833278.

Price: $6.99
12.48

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BMW-18301317898-18-30-1-317-898-SF-Genuine-BMW-Hex-Nut-sm.jpg

Genuine BMW Exhaust Hex Nut, M10 - S38, S54, S65, S85, E65 Alpina B7

Genuine BMW Exhaust Hex Nut (Part #18301317898)

Price: $7.50
7.89

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Genuine BMW Bracket - 18211723649 - E36 & E36 M3

Genuine BMW # 18211723649

Price: $15.52
16.34

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Hex Bolt, M10x40 - E36, E39, E46, E53, E83, E85

Genuine BMW E85 Engine Hex Bolt (Part #11621427586)

Price: $20.21
21.27

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Genuine BMW Gasket Ring - 11627832535 - E60 M5, E63/E64 M6, Alpina B7

Genuine BMW # 11627832535

Price: $41.97
44.18

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Mounting Bracket for Catalytic Converter - E30 325e MT (1984-1987)

Original BMW forward exhaust support bracket for E30 325e with manual transmission.

Price: $62.10
65.37

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Genuine BMW Exhaust Support Zf - 18311728235 - E36,E39,E36 M3

Genuine BMW # 18311728235

Price: $96.12
101.18

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DEC Catalytic Converter - E39 540i M62TU Left (99-03)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $351.67
1055.00

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DEC Catalytic Converter - E39 540i M62TU Right (99-03)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $376.67
1130.00

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DEC Catalytic Converter - E23 733i M30

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $438.33
1315.00

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DEC Catalytic Converter - E30 318i M10 (1984-1985)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $455.00
1365.00

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OEM Exhaust Cooler - 11718576450 - E70 X5 35d & E90 335d

Replaces BMW Part Number 11718576450 / 11-71-8-576-450

Price: $469.99
591.34

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MagnaFlow Catalytic Converter - Z3 1.9 M44

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $480.00
506.74

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DEC Catalytic Converters - Z3 2.8 M52

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $486.67
1460.00

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DEC Catalytic Converter - E36 318i M42 (92-95)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $488.33
1465.00

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MagnaFlow OEM Grade Secondary Catalytic Converter - 328i 428i SULEV (N26)

Affordable replacement catalytic converter with Federal approval but exceeds Federal standards (not CARB certified)

Price: $491.00
518.71

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DEC Catalytic Converter - E36 318i M44 (96-99)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $491.67
1475.00

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DEC Catalytic Converter - E12 528i M30

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $493.33
1480.00

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DEC Catalytic Converter - E12 528i M30

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $493.33
1480.00

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DEC Catalytic Converter - E34 540i M60 Right (93-94)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $505.00
1515.00

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DEC Catalytic Converter - E34 540i M60 Right (93-94)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $505.00
1515.00

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DEC Catalytic Converter - E12 528i, E24 633CSi M30 (1980-1981)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $505.00
1515.00

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DEC Catalytic Converter - E21 320i M10

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $505.00
1515.00

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DEC Catalytic Converter - E12 528i, E24 633CSi M30 (1980-1981)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $505.00
1515.00

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MagnaFlow Catalytic Converter - E53 X5 4.4 M62TU Right

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $509.00
537.99

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DEC Catalytic Converter - E23 735i M30

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $510.00
1530.00

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MagnaFlow Catalytic Converter - E34 530i M60 Right

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $515.00
541.78

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MagnaFlow Catalytic Converter - E34 530i M60 Left

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $515.00
541.78

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MagnaFlow Catalytic Converter - E36 318i M44

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $516.00
544.76

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MagnaFlow Catalytic Converter - E30 318i M42

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $517.00
546.56

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MagnaFlow Catalytic Converter - E30 318i M10

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $519.00
546.32

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DEC Catalytic Converter - E28 533i, E24 633CSi A/T M30 (82-83)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $526.67
1580.00

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DEC Catalytic Converter - E28 533i, E24 633CSi M30 (82-83)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $526.67
1580.00

View Product

DEC Catalytic Converter - E28 533i, E24 633CSi A/T M30 (82-83)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $526.67
1580.00

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DEC Catalytic Converter - E32 750iL M70 Left

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $526.67
1580.00

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MagnaFlow Catalytic Converter - E23 735i M30

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $529.00
558.87

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DEC Catalytic Converter - E30 325/325e M20 (1984-1987)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $530.00
1590.00

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MagnaFlow Catalytic Converter - E53 X5 4.4 M62TU Left

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $532.00
562.11

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MagnaFlow OEM-grade Catalytic Converter - E53 X5 4.4 M62TU Right

Affordable replacement catalytic converter with Federal approval but exceeds Federal standards (not CARB certified)

Price: $535.00
564.88

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DEC Catalytic Converter - E34 540i M60 Left (93-94)

Affordable replacement catalytic converter for states that do NOT use California Emissions

Price: $541.67
1625.00

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Catalytic Converters

Exhaust Manifold Gasket, Elring - E60 M5,E63 M6

Price: $6.99 12.48

Genuine BMW Exhaust Hex Nut, M10 - S38, S54, S65, S85, E65 Alpina B7

Price: $7.50 7.89

Genuine BMW Bracket - 18211723649 - E36 & E36 M3

Price: $15.52 16.34

Hex Bolt, M10x40 - E36, E39, E46, E53, E83, E85

Price: $20.21 21.27

Genuine BMW Gasket Ring - 11627832535 - E60 M5, E63/E64 M6, Alpina B7

Price: $41.97 44.18

Mounting Bracket for Catalytic Converter - E30 325e MT (1984-1987)

Price: $62.10 65.37

Genuine BMW Exhaust Support Zf - 18311728235 - E36,E39,E36 M3

Price: $96.12 101.18

DEC Catalytic Converter - E39 540i M62TU Left (99-03)

Price: $351.67 1055.00

DEC Catalytic Converter - E39 540i M62TU Right (99-03)

Price: $376.67 1130.00

DEC Catalytic Converter - E23 733i M30

Price: $438.33 1315.00

DEC Catalytic Converter - E30 318i M10 (1984-1985)

Price: $455.00 1365.00

OEM Exhaust Cooler - 11718576450 - E70 X5 35d & E90 335d

Price: $469.99 591.34

MagnaFlow Catalytic Converter - Z3 1.9 M44

Price: $480.00 506.74

DEC Catalytic Converters - Z3 2.8 M52

Price: $486.67 1460.00

DEC Catalytic Converter - E36 318i M42 (92-95)

Price: $488.33 1465.00

MagnaFlow OEM Grade Secondary Catalytic Converter - 328i 428i SULEV (N26)

Price: $491.00 518.71

DEC Catalytic Converter - E36 318i M44 (96-99)

Price: $491.67 1475.00

DEC Catalytic Converter - E12 528i M30

Price: $493.33 1480.00

DEC Catalytic Converter - E12 528i M30

Price: $493.33 1480.00

DEC Catalytic Converter - E34 540i M60 Right (93-94)

Price: $505.00 1515.00

DEC Catalytic Converter - E34 540i M60 Right (93-94)

Price: $505.00 1515.00

DEC Catalytic Converter - E12 528i, E24 633CSi M30 (1980-1981)

Price: $505.00 1515.00

DEC Catalytic Converter - E21 320i M10

Price: $505.00 1515.00

DEC Catalytic Converter - E12 528i, E24 633CSi M30 (1980-1981)

Price: $505.00 1515.00

MagnaFlow Catalytic Converter - E53 X5 4.4 M62TU Right

Price: $509.00 537.99

DEC Catalytic Converter - E23 735i M30

Price: $510.00 1530.00

MagnaFlow Catalytic Converter - E34 530i M60 Right

Price: $515.00 541.78

MagnaFlow Catalytic Converter - E34 530i M60 Left

Price: $515.00 541.78

MagnaFlow Catalytic Converter - E36 318i M44

Price: $516.00 544.76

MagnaFlow Catalytic Converter - E30 318i M42

Price: $517.00 546.56

MagnaFlow Catalytic Converter - E30 318i M10

Price: $519.00 546.32

DEC Catalytic Converter - E28 533i, E24 633CSi A/T M30 (82-83)

Price: $526.67 1580.00

DEC Catalytic Converter - E28 533i, E24 633CSi M30 (82-83)

Price: $526.67 1580.00

DEC Catalytic Converter - E28 533i, E24 633CSi A/T M30 (82-83)

Price: $526.67 1580.00

DEC Catalytic Converter - E32 750iL M70 Left

Price: $526.67 1580.00

MagnaFlow Catalytic Converter - E23 735i M30

Price: $529.00 558.87

DEC Catalytic Converter - E30 325/325e M20 (1984-1987)

Price: $530.00 1590.00

MagnaFlow Catalytic Converter - E53 X5 4.4 M62TU Left

Price: $532.00 562.11

MagnaFlow OEM-grade Catalytic Converter - E53 X5 4.4 M62TU Right

Price: $535.00 564.88

DEC Catalytic Converter - E34 540i M60 Left (93-94)

Price: $6.99
12.48

Price: $7.50
7.89

Price: $15.52
16.34

Price: $20.21
21.27

Price: $41.97
44.18

Price: $62.10
65.37

Price: $96.12
101.18

Price: $351.67
1055.00

Price: $376.67
1130.00

Price: $438.33
1315.00

Price: $455.00
1365.00

Price: $469.99
591.34

Price: $480.00
506.74

Price: $486.67
1460.00

Price: $488.33
1465.00

Price: $491.00
518.71

Price: $491.67
1475.00

Price: $493.33
1480.00

Price: $493.33
1480.00

Price: $505.00
1515.00

Price: $505.00
1515.00

Price: $505.00
1515.00

Price: $505.00
1515.00

Price: $505.00
1515.00

Price: $509.00
537.99

Price: $510.00
1530.00

Price: $515.00
541.78

Price: $515.00
541.78

Price: $516.00
544.76

Price: $517.00
546.56

Price: $519.00
546.32

Price: $526.67
1580.00

Price: $526.67
1580.00

Price: $526.67
1580.00

Price: $526.67
1580.00

Price: $529.00
558.87

Price: $530.00
1590.00

Price: $532.00
562.11

Price: $535.00
564.88

Price: $541.67
1625.00