2003 BMW M3 Exhaust Parts
Find Your Specific 2003 BMW M3 Exhaust Parts
Below you will find various in-demand BMW Exhaust Parts, components and accessories for your 2003 M3. Advance Auto Parts has popular M3 parts like Exhaust Manifold and Headers, Exhaust Pipes, Exhaust Hangers and more. You’ll also find aftermarket and OEM Exhaust Parts for other M3 model years including
2011,
2012,
2013,
2015,
2016,
2017,
2018,
2021,
2022 and more. Select a category of 2003 BMW M3 Exhaust Parts below and start saving instantly.
Popular 2003 BMW M3 Exhaust Parts Categories
Essential Exhaust Parts for 2003 BMW M3s
MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50415)
from
$1156.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50415. 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 2001-2006 BMW M3 and 2001-2002 BMW Z3, this direct-fit catalytic converter also interchanges with OE parts 11 62 7 834 673 and 11 62 7 832 063. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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:
See More
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.
Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.81101)
from
$542.99
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:
See More
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.
- 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
MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.418054)
from
$450.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 418054 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. 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:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.337104)
from
$328.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 337104 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. 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:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Carquest Premium – Exhaust Gas Temperature (EGT) Sensor (Part No.EGA2368)
from
$101.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More
Original Equipment – Exhaust Temperature (Part No.H1021266615OEA)
from
$145.79
Exhaust Temperature
HJS – Exh. Man. to Pipe Ga (Part No.H4003237588HJS)
from
$23.43
Exh. Man. to Pipe Ga
BRExhaust – Exhaust Flange Gasket (Part No.256-395)
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:
See More
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
HJS – Exhaust Seal Ring (Part No.H4002686273HJS)
from
$11.28
Exhaust Seal Ring
Elring – Exhaust Manifold Gas (Part No.A8111681922ELR)
from
$10.84
Exhaust Manifold Gas
Elring – Exhaust Manifold Gasket (Part No.A8111120109ELR)
from
$34.93
Exhaust Manifold Gasket
Felpro – Exhaust Manifold Gasket Set (Part No.MS 96553)
from
$26.49
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:
See More
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
BRExhaust – Exhaust Bracket (Part No.254-340)
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:
See More
Product Features:
- Designed to facilitate hassle-free exhaust repair
- Precise fitment
- Manufactured from quality materials to ensure maximum durability
BRExhaust – Exhaust Hanger (Part No.255-070)
from
$15.49
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 insulator mounts will help to keep your components in the right position, resulting in a longer lifespan for your exhaust system.
Product Features:
See More
Product Features:
- Exhaust accessory that enables a complete installation process
- Precise fitment
- Precise fitment
- Manufactured according to strict OE standards
- Reduced Vibration
HJS – Muffler Hanger (Part No.H8052138066HJS)
from
$44.06
Muffler Hanger
aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-36311-P)
from
$2451.99
This system is constructed of 2.5 in. diameter, mandrel bent, TIG-welded, 304 stainless steel, brushed finish tubing and uses all factory mounting locations for an approximate 1 hour install time. In recent testing, this exhaust system produced 12 horsepower and 11 lbs. x ft. of torque. This unique system utilizes 3.5 in. diameter 304 polished laser etched quad tips that fit perfectly in your stock bumper cutouts. All aFe systems are engineered and manufactured in our Corona, California manufacturing facility.
Product Features:
See More
Product Features:
- 2.5 in. Dia. 304 Stainless Steel
- 100% Hand TIG Welded
- Hand Brushed Finish
- Polished Quad Tips
MagnaFlow – Sport Series Cat-Back Performance Exhaust System (Part No.19187)
from
$3942.99
The MagnaFlow Sport Series Cat-Back Performance Exhaust System 19187 19187 enhances your 3.0L 2015-2020 BMW with an aggressive character that is sure to help you stand out from the other BMW you encounter on the street. With its 2.5in. diameter fast-flowing mandrel bent main piping that passes through 1 Straight-Through mufflers before ending in a Quad Split Rear exit with 3.5in. Black Coated Welded-On Double Wall Angle Cut Folded Edge tips, this dyno-proven BMW exhaust system refuses to be ignored. As such, 19187 is tuned to produce our powerful, resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels, so please check to ensure compliance with local noise regulations. The system’s cat-back design replaces all your import’s stock exhaust components from the catalytic converter on back. Extensive 3D scanning and CNC precision robotic manufacturing techniques are used to ensure that your exhaust system fits perfectly with just a simple do-it-yourself installation process. The durable, corrosion resistant stainless steel construction of 19187 is backed by MagnaFlow’s 1-year finish warranty and limited lifetime construction warranty.
Product Features:
See More
Product Features:
- Racing inspired sound
- High-performance lightweight design
- Dyno-proven performance
MagnaFlow – Touring Series Cat-Back Performance Exhaust System (Part No.15544)
from
$1834.99
The MagnaFlow 2008-2013 BMW M3 Touring Series Cat-Back Performance Exhaust System 15544 is the perfect partner for your 4.0L 2008-2013 BMW M3 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 Quad Split Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips. 15544 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This BMW M3 exhaust system is compatible with 2008-2013 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 M3 like a glove. 15544 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.
Product Features:
See More
Product Features:
- Mandrel bent tubing
- 409 Stainless Steel Construction
- Increased Horsepower and Torque
Rein – STOVR FLAN NUT M7/GA (Part No.HWN0101)
from
$2.99
STOVR FLAN NUT M7/GA
CRP – Exhaust Nut (Part No.H1001376602CRP)
from
$1.91
Exhaust Nut
CRP – Exhaust Nut (Part No.H1001417721CRP)
from
$2.09
Exhaust Nut
Newco – Nut (Part No.4D10011131NEW)
from
$1.36
Nut
Elring – Cat. Converter Gaske (Part No.H4001774979ELR)
from
$31.66
Cat. Converter Gaske
Upgrade your 2003 BMW M3 with Top-Quality Exhaust Parts
When it comes to maintaining or upgrading your 2003 BMW M3, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your BMW or enhancing its overall performance, Exhaust Parts are key to keeping your M3 functioning at its best. At Advance Auto Parts, we offer a wide selection of 17 Exhaust Parts for the 2003 BMW M3, designed to meet your needs without breaking the bank.
From
Exhaust Manifold and Header
replacements to
Exhaust Pipes
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Exhaust Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Exhaust Parts for your 2003 BMW M3 at great prices.
Our Exhaust Parts inventory for this model
ranges from just $1.36 to $1,850.00, with
an average price of $335.65.
Our 17 Exhaust Parts in stock come from 9 trusted brands, so you’re sure to find the right part for your 2003 BMW M3 without overspending.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Exhaust Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2003 BMW M3 is always ready to roll. We’re committed to providing you with everything you need to keep your M3 in top shape, all in one place.
Start shopping confidently below for your 2003 BMW M3!
Best-Selling Exhaust Manifold and Headers for 2003 BMW M3s
Enhance the driving experience in your BMW with 2 quality Exhaust Manifold and Header components, starting at $2.99.
MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50415)
from
$1156.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50415. 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 2001-2006 BMW M3 and 2001-2002 BMW Z3, this direct-fit catalytic converter also interchanges with OE parts 11 62 7 834 673 and 11 62 7 832 063. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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:
See More
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.
Rein – STOVR FLAN NUT M7/GA (Part No.HWN0101)
from
$2.99
STOVR FLAN NUT M7/GA
Most Popular 2003 BMW M3 Exhaust Pipes
Customize your BMW with 4 Exhaust Pipes products
like Exhaust Pipe and Flange Gaskets, all
priced under $23.43.
HJS – Exh. Man. to Pipe Ga (Part No.H4003237588HJS)
from
$23.43
Exh. Man. to Pipe Ga
Autopart International Inc – Exhaust Pipe Gasket (Part No.H40062047076API)
from
$23.13
Exhaust Pipe Gasket
HJS – Exhaust Pipe Gasket (Part No.H4006251874HJS)
from
$13.27
Exhaust Pipe Gasket
HJS – Exhaust Pipe Gasket (Part No.H4006251908HJS)
from
$12.77
Exhaust Pipe Gasket
Top Picks for 2003 BMW M3 Exhaust Hangers
Upgrade BMW M3s with top-quality Exhaust Hangers parts, including 2 OEM and aftermarket selections for your 2003 model.
HJS – Muffler Hanger (Part No.H8052138066HJS)
from
$44.06
Muffler Hanger
HJS – Exhaust Hanger (Part No.H8050251967HJS)
from
$14.95
Exhaust Hanger
In-Demand Catalytic Converters for 2003 BMW M3s
Select from 3 premium Catalytic Converters parts for your 2003 BMW M3, with prices ranging from $34.06 to $1,214.99.
MagnaFlow – OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.49795)
from
$1214.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49795. 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 2001-2006 BMW M3 and 2001-2002 BMW Z3, this direct-fit catalytic converter also interchanges with OE parts 11 62 7 834 673 and 11 62 7 832 063. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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:
- 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.
MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50416)
from
$1042.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50416. 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 2001-2006 BMW M3 and 2001-2002 BMW Z3, this direct-fit catalytic converter also interchanges with OE parts 11 62 7 834 674 and 11 62 7 832 064. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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:
See More
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.
Elring – Exhaust Pipe Gasket (Part No.H4006252019ELR)
from
$34.06
Exhaust Pipe Gasket
Most Sold 2003 BMW M3 Exhaust Gaskets
Explore our best-selling BMW parts for the 2003 M3 among 1 OEM and aftermarket options starting from $21.11.
Elring – Exhaust Manifold Gasket (Part No.A8111237587ELR)
from
$21.11
Exhaust Manifold Gasket
FAQs for 2003 BMW M3 Exhaust Parts
Which Exhaust Parts are best-sellers for 2003 BMW M3s?
Out of 17 Exhaust Parts that fit 2003 BMW M3s, the following parts are the top sellers:
- STOVR FLAN NUT M7/GA (50221555) – $2.99
- OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (10605382) – $1,214.99
- HM Grade Federal / EPA Compliant Manifold Catalytic Converter (10605801) – $1,042.99
What’s the price range for 2003 BMW M3 Exhaust Parts?
Exhaust Part prices for the 2003 BMW M3 start at $1.36 and go up to $1,850.00 for the most premium parts.
What’s the average price of a Exhaust Part for a 2003 BMW M3?
The average price for Exhaust Parts for the 2003 BMW M3 is $335.65. Keep in mind the variety of part types within our Exhaust Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Exhaust Parts for other BMW M3 model years?
What are the cheapest Exhaust Parts for my 2003 BMW M3?
The cheapest 2003 BMW M3 Exhaust Parts we carry in stock are:
- Nut (11837234) – $1.36
- Exhaust Nut (11845646) – $2.09
- STOVR FLAN NUT M7/GA (50221555) – $2.99
- Exhaust Pipe Gasket (12107309) – $12.77
- Exhaust Pipe Gasket (12240144) – $13.27
What types of Exhaust Parts do you sell for my 2003 BMW M3?
As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 2003 BMW M3:
Can I get help with 2003 BMW M3 Exhaust Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about BMW Exhaust Parts and more.
What is your return policy for BMW M3 Exhaust Parts?
Advance Auto Parts keeps returns simple. For new BMW M3 Exhaust Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
