2003 BMW 325i Exhaust Parts

Essential 2003 BMW 325i Exhaust Parts

CRP – Exhaust Nut (Part No.H1001417721CRP)

Exhaust Nut

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$2.09
Exhaust Nut

Febi – EXHAUST NUT (Part No.H1001570904FEB)

EXHAUST NUT

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$2.17
EXHAUST NUT

Victor Reinz – Exhaust Manifold Gasket Set (Part No.15-34834-01)

Exhaust Manifold Gasket Set

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$59.49
As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Felpro – EXHAUST MANIFOLD GASKET SET (Part No.MS 96521)

EXHAUST MANIFOLD GASKET SET

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$62.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
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Felpro – Exhaust Manifold Gasket Set (Part No.MS 97283)

Exhaust Manifold Gasket Set

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$37.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
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MagnaFlow – California Grade CARB Compliant Manifold Catalytic Converter (Part No.452288)

California Grade CARB Compliant Manifold Catalytic Converter

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$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 & 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:
  • 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.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50288)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

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$762.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50288. 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, 2004-2006 BMW X3, 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 & 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 Federal/EPA Emission systems.

Product Features:
  • 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.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50290)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1129.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50290. 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 & 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 Federal/EPA Emission systems.

Product Features:
  • 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.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Walker – Donut Exhaust Pipe Flange Gasket: Graphite with Steel, Heat Resistant, Premium Materials (Part No.31583)

Donut Exhaust Pipe Flange Gasket: Graphite with Steel, Heat Resistant, Premium Materials

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$9.99
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Walker – 3 Bolt Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials (Part No.31582)

3 Bolt Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials

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$5.49
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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BRExhaust – Exhaust Flange Gasket (Part No.256-395)

Exhaust Flange Gasket

from

$13.99
BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • Designed for a leak free connection
  • OE structure and design
  • Built to OEM specifications
  • Secure gas-tight connection
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CRP – Exhaust Flange Nut (Part No.H100830970CRP)

Exhaust Flange Nut

from

$1.90
Exhaust Flange Nut

Walker – Hanger Length 2.5 (Part No.35123)

Hanger Length 2.5

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$11.79
Complete your exhaust repair with Walker® exhaust hangers. Designed with OE-style features to support undercar exhaust components, Walker hangers are manufactured from durable and robust material for long service life.

Product Features:
  • KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
  • OE DESIGN — Designed with OE-style features for easy installation
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • PREMIUM MATERIALS — Made from quality steel for durability and long life
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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BRExhaust – Exhaust Hanger (Part No.255-766)

Exhaust Hanger

from

$7.49
BRExhaust exhaust insulator mounts are high-quality replacements for original equipment hangers¿designed to fit right the first time. They’re manufactured from premium rubber and available for a variety of car, truck, and van applications. BRExhaust exhaust insulator mounts will help keep your components in the right position, resulting in a longer lifespan for your exhaust system.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • OE-style design for quality fit
  • Secure sealing for superior durability
  • Manufactured from quality materials to ensure maximum durability
  • Reduced vibration
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Vaico – Exhaust Hanger (Part No.H805076123VCO)

Exhaust Hanger

from

$4.40
Exhaust Hanger

BRExhaust – Exhaust Bracket (Part No.254-340)

Exhaust Bracket

from

$25.49
BRExhaust insulator mounts are high-quality replacements for original equipment hangers¿designed to fit right the first time. They’re conveniently available for a variety of car, truck, and van applications. BRExhaust exhaust insulator mounts are manufactured from premium rubber and steel to help keep your components in the right position, resulting in a longer lifespan for your exhaust system.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
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CRP – Exhaust Clamp (Part No.H8020570170CRP)

Exhaust Clamp

from

$24.56
Exhaust Clamp

Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.25 (Part No.35336)

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.25

from

$2.49
Complete your exhaust repair with an Exhaust Mate® U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:
  • CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • PREMIUM MATERIALS – Made from quality material for durability and long life
  • BETTER TOGETHER — Use Walker® accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade
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APA/URO Parts – Exhaust Clamp (Part No.H802076108APA)

Exhaust Clamp

from

$24.86
Exhaust Clamp

APA/URO Parts – Exhaust Clamp (Part No.H802076107APA)

Exhaust Clamp

from

$12.63
Exhaust Clamp

Walker – CalCat Universal Converter (Part No.80801)

CalCat Universal Converter

from

$142.99
Walker®, an industry leader for many popular European, Asian and North American vehicles, offers Walker® CalCat® Universal Catalytic Converters, available for OBDII (1996 and newer) vehicles and Pre-OBD (1995 and older) vehicles, specifically formulated to comply with California Air Resource Board (CARB) regulations. Walker® CalCat® Universal Catalytic Converters feature OE-style hangers, brackets, routings and heat shields allowing quick and easy installation of direct-fit units. OE expertise delivers application-engineered parts, providing the best fit and performance for even the most challenging emissions issues, while premium substrate material and a high-technology wash coat ensure exceptional oxygen storage capacity. Walker® CalCat® Catalytic Converters are legal for sale in the state of California, and any state complying with California regulations.

Product Features:
  • Legal for sale in the state of California, complies with C.A.R.B. regulations
  • Stainless steel body with aluminized pipe and heat shields for durability
  • Expandable bushings for custom installation requirements
  • Universal converter may require modification to complete installation
  • 5-year/50,000-mile catalytic performance and structural integrity warranty
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Walker – Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No.93247)

Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed

from

$215.99
Designed to comply with EPA emissions requirements while delivering premium performance and durability with assured compliance, Walker® Ultra® Universal Catalytic Converters are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:
  • 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 washcoat 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/or 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 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23802)

Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$623.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23802 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. Designed to fit the 1992-1995 BMW 325i and 1994-1995 BMW 325is, this direct-fit catalytic converter also interchanges with OE part 18 30 1 247 143. Hardware is included to eliminate the hassle of working with corroded factory parts. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • 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.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15051)

Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed

from

$99.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Universal Catalytic Converters are available for pre-OBDII (1995 and older) vehicles.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED — Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • 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
  • 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 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-36313)

MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP

from

$1713.99
Introducing the new aFe Power MACH Force XP cat back exhaust system for the 07-13 BMW 328i E92 & E93 non-turbo. In recent testing, this system produced 4 horsepower and 8 lbs. x ft. of torque. This exhaust is constructed from 2.5in. brushed finish, mandrel bent, 304 stainless steel and is TIG-welded. A high flow, 304 stainless steel, single in dual out muffler was used to maximize performance across the power band while maintaining a great tone. To finish off this exhaust are dual, aFe laser etched, 3in. polished 304 stainless steel tips. This exhaust uses all factory hanger locations. Note: Cutting is required and should be performed by a skilled technician.

Product Features:
  • 2.5 in. Dia. 304 Stainless Steel
  • 16 in. Single In Dual Out Muffler
  • 100% Hand TIG-Welded
  • Dual 3 in. Cafe Laser Etched Tips
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MagnaFlow – Touring Series Cat-Back Performance Exhaust System (Part No.16748)

Touring Series Cat-Back Performance Exhaust System

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$1248.99
The MagnaFlow Touring Series Cat-Back Performance Exhaust System 16748 16748 is the perfect partner for your 2.5L 2001-2005 BMW to take on a grand tour or a weekend cruise thanks to the powerful, resonant exhaust note and dyno-proven performance it brings to the table. This durable, corrosion resistant stainless steel exhaust kit is engineered to conquer the miles with ease while enhancing your driving experience with Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through muffler that terminate in a Dual Straight Driver Side Rear exit with 3in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips. 16748 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This BMW exhaust system is compatible with 2001-2005 engines. The use of extensive 3D scans made during the development process has resulted in an easy-to-install, direct-fit design that fits your BMW like a glove. 16748 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Mandrel bent tubing
  • 409 Stainless Steel Construction
  • Increased Horsepower and Torque
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MagnaFlow – Touring Series Cat-Back Performance Exhaust System (Part No.16537)

Touring Series Cat-Back Performance Exhaust System

from

$1273.99
The MagnaFlow Touring Series Cat-Back Performance Exhaust System 16537 16537 is the perfect partner for your 3.0L 2006-2011 BMW to take on a grand tour or a weekend cruise thanks to the powerful, resonant exhaust note and dyno-proven performance it brings to the table. This durable, corrosion resistant stainless steel exhaust kit is engineered to conquer the miles with ease while enhancing your driving experience with Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through muffler that terminate in a Dual Straight Driver Side Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips. 16537 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This BMW exhaust system is compatible with 2006-2011 engines. The use of extensive 3D scans made during the development process has resulted in an easy-to-install, direct-fit design that fits your BMW like a glove. 16537 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Mandrel bent tubing
  • 409 Stainless Steel Construction
  • Increased Horsepower and Torque
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2003 BMW 325i Exhaust Parts

You count on your 2003 BMW 325i to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 20 Exhaust Parts ranging in price from $1.90 to $1,496.99, you’re sure to find everything you need for your 2003 BMW 325i.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 10 different brands like Mahle, Walker, and Felpro. 2003 BMW 325i Exhaust Parts start as low as $1.90!

One of the best ways to find top quality OEM or aftermarket Exhaust Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 16 extensive product reviews on 2003 BMW 325i Exhaust Parts.

Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 2003 BMW 325i below to get started!

Top-Rated Exhaust Parts Brands For Your 2003 BMW 325i

Trusted Exhaust Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 BMW 325i running right for years to come. In our inventory you’ll find brands like Mahle, Walker, Felpro, and even more.

Popular Felpro Exhaust Parts

You’ll find popular Felpro brand products across Exhaust Gaskets. All are waiting to get your 2003 BMW 325i back on the road. Some of the top-rated Felpro products in these categories are:
EXHAUST MANIFOLD GASKET SET
from $62.99
(1)
EXHAUST MANIFOLD GASKET SET
Exhaust Manifold Gaskets

Top-Rated Exhaust Parts


If are what you’re looking for, our inventory holds plenty. We stock brand Exhaust Parts for your 2003 BMW 325i, and some of our most reviewed parts include:
Exhaust Pipe Gasket
from $13.99
(3)
Exhaust Pipe Gasket
Exhaust Pipe and Flange Gaskets