2003 BMW 325Ci Catalytic Converters

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Keep Your 2003 BMW 325Ci 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 2003 BMW 325Ci 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.

Top-Rated Catalytic Converters from Trusted Brands

Looking for a reliable Catalytic Converter? We’ve got you covered with options from brands you know and trust like MagnaFlow. For example, MagnaFlow Catalytic Converters start at just $196.99 with an average 4.1 star rating. With over 10 reviews and a solid 4.0 star average, you can shop with confidence knowing other BMW 325Ci owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 BMW 325Ci Catalytic Converter at Advance Auto Parts is around $814.53, with a range that starts at $196.99 and goes up to $1,631.00. With 8 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205, MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49760, and Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-973 start at just $213.99 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 Manifold and Headers and Exhaust System Kits. At Advance Auto Parts, we’re here to help you keep your 2003 BMW 325Ci in peak condition, inside and out.

Essential 2003 BMW 325Ci Catalytic Converters

Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-973 (Part No.674-973)

Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 674-973

from

$662.99
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.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452287 (Part No.452287)

MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452287

from

$1631.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452287. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 452287 includes (2) Nuts, (2) Bolts, (2) Flat Washers, (2) Flange Gaskets and interchanges with OE parts 18 40 7 508 758, 18 40 7 514 502, 18 40 7 515 104, 18 40 7 518 673, 18 40 7 518 675. 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.
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Dorman – Dorman Manifold Converter – CARB Compliant – Direct replacement, 673-973 (Part No.673-973)

Dorman Manifold Converter - CARB Compliant - Direct replacement, 673-973

from

$1597.00
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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49760 (Part No.49760)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49760

from

$763.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49760. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. This Direct-Fit Catalytic Converter is designed to fit the 2003 BMW 325Ci 2.5L & 2003-2005 BMW 325i 2.5L. MagnaFlow 49760 interchanges with OE parts 18 30 7 515 236. 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.
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MagnaFlow – MagnaFlow Direct-Fit HM Grade Federal / EPA Compliant Catalytic Converter, 24510 (Part No.24510)

MagnaFlow Direct-Fit HM Grade Federal / EPA Compliant Catalytic Converter, 24510

from

$700.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24510. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 24510 interchanges with OE parts 18 30 7 515 236. 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 Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM (Part No.99205HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99205HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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 Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5671404 (Part No.5671404)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5671404

from

$519.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5671404. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205 (Part No.51205)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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 Federal/EPA Emission systems.
See More

Most Popular Catalytic Converters for 2003 BMW 325Cis

Enhance your 2003 BMW 325Ci with one of the 8 Catalytic Converters we have in stock, starting at just $196.99.

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM (Part No.99205HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99205HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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 Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205 (Part No.51205)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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 Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452287 (Part No.452287)

MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452287

from

$1631.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452287. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 452287 includes (2) Nuts, (2) Bolts, (2) Flat Washers, (2) Flange Gaskets and interchanges with OE parts 18 40 7 508 758, 18 40 7 514 502, 18 40 7 515 104, 18 40 7 518 673, 18 40 7 518 675. 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.
See More

Dorman – Dorman Manifold Converter – CARB Compliant – Direct replacement, 673-973 (Part No.673-973)

Dorman Manifold Converter - CARB Compliant - Direct replacement, 673-973

from

$1597.00
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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49760 (Part No.49760)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49760

from

$763.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49760. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. This Direct-Fit Catalytic Converter is designed to fit the 2003 BMW 325Ci 2.5L & 2003-2005 BMW 325i 2.5L. MagnaFlow 49760 interchanges with OE parts 18 30 7 515 236. 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.
See More

MagnaFlow – MagnaFlow Direct-Fit HM Grade Federal / EPA Compliant Catalytic Converter, 24510 (Part No.24510)

MagnaFlow Direct-Fit HM Grade Federal / EPA Compliant Catalytic Converter, 24510

from

$700.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24510. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 24510 interchanges with OE parts 18 30 7 515 236. 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 Federal/EPA Emission systems.
See More

Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-973 (Part No.674-973)

Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 674-973

from

$662.99
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.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5671404 (Part No.5671404)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5671404

from

$519.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5671404. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
See More

Top-Rated Catalytic Converter Brands For Your 2003 BMW 325Ci

When it comes to finding the perfect Catalytic Converter for your 2003 BMW 325Ci, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Catalytic Converter brands including MagnaFlow, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $196.99. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 2003 BMW 325Ci, providing peace of mind with parts that meet or exceed OEM standards.

Popular MagnaFlow 2003 BMW 325Ci Catalytic Converters

If you’re looking for a top-quality Catalytic Converter for your 2003 BMW 325Ci, Advance Auto Parts has exactly what you need with our selection of MagnaFlow Catalytic Converters. We have 1 MagnaFlow Catalytic Converters in stock for this fitment, all known for their durability and precision fit. With prices starting at just $196.99, you’ll find the perfect Catalytic Converter for your needs and budget. MagnaFlow Catalytic Converters for the 2003 BMW 325Ci come highly rated, with over 5 customer reviews and an impressive average rating of 4.1 stars. Choosing a MagnaFlow Catalytic Converter from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM
from $196.99
(5)
MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM
“needs to be cut to fit my application but worked great”

FAQs for 2003 BMW 325Ci Catalytic Converters

What are the best-selling Catalytic Converters for 2003 BMW 325Cis?

What’s the price range for 2003 BMW 325Ci Catalytic Converters?

The prices of Catalytic Converters for the 2003 BMW 325Ci range from $196.99 up to $1,631.00 for the most premium parts.

What is the average price of a Catalytic Converter for a 2003 BMW 325Ci?

The average price for Catalytic Converters for the 2003 BMW 325Ci is $814.53. 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 325Ci model years?

Yes, we carry Catalytic Converters for 4 model years of BMW 325Cis between 2001 and 2006. The following model years are the most popular for Catalytic Converter purchases: 2006, 2005, 2004, 2002, and 2001.

Does Advance Auto Parts sell Catalytic Converters for any other 2003 BMW models?

Yes. We stock Catalytic Converters for 12 other popular 2003 BMW models. Some of the most popular are 2003 325i Catalytic Converters, 2003 325xi Catalytic Converters, 2003 530i Catalytic Converters, 2003 330i Catalytic Converters, and 2003 Z4 Catalytic Converters.

What are the top-rated Catalytic Converters that fit the 2003 BMW 325Ci?

The one 2003 BMW 325Ci Catalytic Converter we have in stock is the MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM. It is rated 4 stars and costs $196.99.

What types of Catalytic Converters do you sell for my 2003 BMW 325Ci?

We currently have just 1 Catalytic Converter in stock for a 2003 BMW 325Ci, and as of 8/2/26, it is a Catalytic Converter.

Can I get help with 2003 BMW 325Ci 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 325Ci Catalytic Converters?

Advance Auto Parts keeps returns simple. For new BMW 325Ci Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.