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BMW M3 Catalytic Converters
This page brings together catalytic converters for the BMW M3 spanning model years 1988–2023, including universal, direct-fit, OE replacement, and manifold-style options. Select your year above and we'll show only the catalytic converters that fit your BMW M3. Fitment is checked against our vehicle data for every part listed.
1 - 22 of 22 results
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Magnaflow 53004 Standard Grade Universal Catalytic Converter 2.00in Inlet/Outlet
Part: 53004
Vehicle Specific
$97.00
In Stock (10+)
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Magnaflow 418004 Universal Catalytic Converter 2.00 Inch Inlet/Outlet
Part: 418004
Vehicle Specific
$438.00
2 left at this price
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Magnaflow 99204HM Universal Catalytic Converter 2.00 Inch Inlet/Outlet
Part: 99204HM
Vehicle Specific
$178.00
1 left at this price
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Magnaflow 94105 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Part: 94105
Universal Fit
$114.00
1 left at this price
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Magnaflow 444206 Universal California CARB Catalytic Converter 2.50in
Part: 444206
Vehicle Specific
$378.00
In Stock (5)
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3 left at this price
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In Stock (10+)
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In Stock (10+)
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Magnaflow 418005 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Part: 418005
Vehicle Specific
$438.00
1 left at this price
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MagnaFlow 5571850 California Grade CARB Compliant Direct-Fit Catalytic Converter
Part: 5571850
Vehicle Specific
$1,235.98
In Stock (10+)
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Magnaflow 448304 Universal Catalytic Converter 2 Inch CARB Compliant California Grade OBDII
Part: 448304
Vehicle Specific
$718.00
In Stock (10+)
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Magnaflow 5411306 Universal Catalytic Converter 2.5 Inch Inlet/Outlet
Part: 5411306
Vehicle Specific
$718.00
3 left at this price
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1 left at this price
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Magnaflow 5551220 California CARB Compliant Direct-Fit Catalytic Converter
Part: 5551220
Vehicle Specific
$2,159.00
Ships from manufacturer
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Magnaflow 4481304 Universal Catalytic Converter 2.00 Inch Inlet/Outlet
Part: 4481304
Vehicle Specific
$1,127.00
1 left at this price
What's here for your BMW M3
- Direct-fit catalytic converters designed to match factory mounting points and dimensions
- Universal catalytic converters adaptable to a range of exhaust configurations
- OE replacement catalytic converters built to original equipment specifications
- Manifold-style catalytic converters that integrate closely with the exhaust manifold
The widest selection here comes from Magnaflow, AP Exhaust, Walker Exhaust, and Catco, covering a broad span of BMW M3 model years and exhaust configurations. Other categories BMW M3 owners shop for: BMW M3 Springs and Suspension Parts, BMW M3 Exhaust and Tail Pipes and BMW M3 Brake Pads and Shoes, or browse all BMW M3 parts and accessories.