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BMW 323i Catalytic Converters
This page brings together catalytic converters for the BMW 323i covering model years 1998–2011, including universal, direct-fit, manifold, and OE replacement options. Pick your BMW 323i's year above to narrow the list to catalytic converters with confirmed fitment. Every part shown is checked against our vehicle data.
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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 444206 Universal California CARB Catalytic Converter 2.50in
Part: 444206
Vehicle Specific
$378.00
In Stock (5)
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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 5561354 Universal Catalytic Converter 2.00 Inch Inlet/Outlet
Part: 5561354
Vehicle Specific
$1,256.00
In Stock (8)
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1 left at this price
What's here for your BMW 323i
- Direct-fit catalytic converters sized for BMW 323i applications
- Universal catalytic converters adaptable to various installation configurations
- Manifold-style catalytic converters designed to integrate closely with the exhaust manifold
- OE replacement catalytic converters built to match factory specifications
The widest selection here comes from Magnaflow, AP Exhaust, Bosal, and Walker Exhaust, offering a broad range of fitment styles and construction approaches for the BMW 323i. Other categories BMW 323i owners shop for: BMW 323i Springs and Suspension Parts, BMW 323i Shocks and Struts and BMW 323i Manual Transmission Parts, or browse all BMW 323i parts and accessories.