2004 BMW 325xi Catalytic Converters
Keep Your 2004 BMW 325xi in Top Shape with Quality Catalytic Converters
Whether you’re repairing or upgrading your Catalytic Converter, using high-quality parts is key to keeping your 2004 BMW 325xi looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converters. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 2004 BMW 325xi Catalytic Converter at Advance Auto Parts is around $1,032.24, with a range that starts at $610.99 and goes up to $1,496.99. With 4 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME, Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME, and Direct-Fit California Grade Catalytic Converter with Integrated Exhaust Manifold start at just $610.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Catalytic Converter, don’t forget to check out other key components like Exhaust Fittings and Exhaust Pipes. At Advance Auto Parts, we’re here to help you keep your 2004 BMW 325xi in peak condition, inside and out.
Find Your Specific 2004 BMW 325xi Catalytic Converters
Looking for the perfect Catalytic Converter for your 2004 BMW 325xi? You’re in the right place. Below, you’ll find links to various types of Catalytic Converters that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Catalytic Converters, ensuring durability and a precise fit for your BMW 325xi. Whether you’re driving a 2004 model or another popular model year like
2001,
2002,
2003,
2005, and
2006, we’ve got you covered. Purchasing Catalytic Converters from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Catalytic Converters that fit your vehicle.
Essential 2004 BMW 325xi Catalytic Converters
MagnaFlow – Direct-Fit OEM Grade Catalytic Converter (Part No.49765)
from
$1048.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49765. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2007-2013 BMW 328i, 2009-2013 BMW 328i xDrive, and more, this direct-fit catalytic converter also interchanges with OE parts 18 30 7 547 840 and 18 30 7 566 937. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
Product Features:
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Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
MagnaFlow – Direct-Fit OEM Grade Catalytic Converter with Integrated Exhaust Manifold (Part No.49763)
from
$1426.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49763. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2007-2013 BMW 328i, 2009-2013 BMW 328i xDrive, and more, this direct-fit catalytic converter also interchanges with OE parts 18 30 7 547 840 and 18 40 7 545 309, among others. The included gaskets and hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
MagnaFlow – Direct-Fit California Grade Catalytic Converter with Integrated Exhaust Manifold (Part No.5531762)
from
$1248.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5531762. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2007-2013 BMW 328i, 2009-2013 BMW 328i xDrive, and more, this direct-fit catalytic converter also interchanges with OE parts 18 30 7 544 510 and 18 40 7 545 308, among others. The included gaskets and hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Product Features:
See More
Product Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-972)
from
$610.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
Product Features:
See More
Product Features:
- Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
- Convenient kit – includes gaskets and downpipe hardware to simplify installation
- Durable construction -manufactured within strict tolerances for reliable longevity
- Trustworthy value – backed by team of engineers and quality control experts in the United States
MagnaFlow – Direct-Fit California Grade Catalytic Converter with Integrated Exhaust Manifold (Part No.452288)
from
$1334.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452288. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2001-2005 BMW 325i, 2001-2005 BMW 325Ci, and more, this direct-fit catalytic converter also interchanges with OE parts 18 40 7 514 503 and 18 40 7 514 505, among others. The included gaskets and hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Product Features:
See More
Product Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
Walker – CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.84205)
from
$206.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.
Product Features:
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Product Features:
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state¿s aftermarket converter regulations.
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state┐s aftermarket converter regulations.
- SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
- CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
- DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-973)
from
$685.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
Product Features:
See More
Product Features:
- Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
- Convenient kit – includes gaskets and downpipe hardware to simplify installation
- Durable construction -manufactured within strict tolerances for reliable longevity
- Trustworthy value – backed by team of engineers and quality control experts in the United States
Walker – Ultra EPA Universal Catalytic Converter – 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.93247)
from
$188.99
Product Features:
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- EPA COMPLIANT – For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
- KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES – OE-style high-technology wash coat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
- DURABLE – Features stainless-steel body with aluminized pipe and heat shields for durability
- FLEXIBLE SOLUTION – Customizable design features expandable bushings for easy fitment and may require specialized fabrication and welding for installation
- OE-STYLE DESIGN – Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
- BUY WITH CONFIDENCE – Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 50,000-mile/80,000-kilometer structural integrity limited warranty. Visit Walkerexhaust.com for details.
MagnaFlow – Direct-Fit California Grade Catalytic Converter with Integrated Exhaust Manifold (Part No.452287)
from
$1496.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452287. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2001-2005 BMW 325i, 2001-2005 BMW 325Ci, and more, this direct-fit catalytic converter also interchanges with OE parts 18 40 7 514 502 and 18 40 7 515 104, among others. The included gaskets and hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Product Features:
See More
Product Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
MagnaFlow – Direct-Fit OEM Grade Catalytic Converter (Part No.49764)
from
$1045.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49764. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2007-2013 BMW 328i, 2009-2013 BMW 328i xDrive, and more, this direct-fit catalytic converter also interchanges with OE parts 18 30 7 544 510 and 18 30 7 566 938. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
Popular 2004 BMW 325xi Catalytic Converters Categories
Most Popular Catalytic Converters for 2004 BMW 325xis
Enhance your 2004 BMW 325xi with one of the 4 Catalytic Converters we have in stock, starting at just $610.99.
MagnaFlow – Direct-Fit California Grade Catalytic Converter with Integrated Exhaust Manifold (Part No.452287)
from
$1496.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452287. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2001-2005 BMW 325i, 2001-2005 BMW 325Ci, and more, this direct-fit catalytic converter also interchanges with OE parts 18 40 7 514 502 and 18 40 7 515 104, among others. The included gaskets and hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Product Features:
See More
Product Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
MagnaFlow – Direct-Fit California Grade Catalytic Converter with Integrated Exhaust Manifold (Part No.452288)
from
$1334.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452288. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2001-2005 BMW 325i, 2001-2005 BMW 325Ci, and more, this direct-fit catalytic converter also interchanges with OE parts 18 40 7 514 503 and 18 40 7 514 505, among others. The included gaskets and hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Product Features:
See More
Product Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-973)
from
$685.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
Product Features:
See More
Product Features:
- Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
- Convenient kit – includes gaskets and downpipe hardware to simplify installation
- Durable construction -manufactured within strict tolerances for reliable longevity
- Trustworthy value – backed by team of engineers and quality control experts in the United States
Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-972)
from
$610.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
Product Features:
See More
Product Features:
- Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
- Convenient kit – includes gaskets and downpipe hardware to simplify installation
- Durable construction -manufactured within strict tolerances for reliable longevity
- Trustworthy value – backed by team of engineers and quality control experts in the United States
FAQs for 2004 BMW 325xi Catalytic Converters
What are the best-selling Catalytic Converters for 2004 BMW 325xis?
Out of 4 Catalytic Converters that fit 2004 BMW 325xis, the following parts are the top sellers:
- Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (10451339) – $685.99
- Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (10422328) – $610.99
- Direct-Fit California Grade Catalytic Converter with Integrated Exhaust Manifold (11379070) – $1,496.99
What’s the price range for 2004 BMW 325xi Catalytic Converters?
The prices of Catalytic Converters for the 2004 BMW 325xi range from $610.99 up to $1,496.99 for the most premium parts.
What is the average price of a Catalytic Converter for a 2004 BMW 325xi?
The average price for Catalytic Converters for the 2004 BMW 325xi is $1,032.24. Keep in mind the variety of part types within our Catalytic Converter category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Catalytic Converters for other BMW 325xi model years?
What are the cheapest Catalytic Converters for my 2004 BMW 325xi?
The cheapest 2004 BMW 325xi Catalytic Converters we carry are:
- Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (10422328) – $610.99
- Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (10451339) – $685.99
- Direct-Fit California Grade Catalytic Converter with Integrated Exhaust Manifold (11378929) – $1,334.99
- Direct-Fit California Grade Catalytic Converter with Integrated Exhaust Manifold (11379070) – $1,496.99
Does Advance Auto Parts sell Catalytic Converters for any other 2004 BMW models?
Yes. We stock Catalytic Converters for 15 other popular 2004 BMW models. Some of the most popular are 2004 325i Catalytic Converters, 2004 530i Catalytic Converters, 2004 330i Catalytic Converters, 2004 Z4 Catalytic Converters, and 2004 X3 Catalytic Converters.
What types of Catalytic Converters do you sell for my 2004 BMW 325xi?
We currently have just 1 Catalytic Converter in stock for a 2004 BMW 325xi, and as of 11/2/25, it is a Catalytic Converter.
Can I get help with 2004 BMW 325xi Catalytic Converter orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about BMW Catalytic Converters and more.
What is your return policy for BMW 325xi Catalytic Converters?
Advance Auto Parts keeps returns simple. For new BMW 325xi Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.