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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW E46 M3 S54 (1999-2005)

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Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.

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Performance rear Muffler - E46 M3

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T#:380501

Part#: SSXBM934

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$ 1,592.99 USD

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$ 1,592.99 USD

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With in-house production and engineering in the United Kingdom, they have been designing and developing exhaust systems for over 32 years. Constructed of type-304 aircraft grade stainless steel, the quality is top-notch. To take it a step further, Milltek offers a lifetime warranty to the original purchaser

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Genuine BMW Vacuum Hose - Blue

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T#:367728

Part#: 11747797082

Ships in 1-2 days

3% off MSRP $ 30.99

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$ 29.99 USD

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3% off MSRP

$ 30.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 29.99 USD

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Genuine BMW Collar Screw

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T#:59956

Part#: 33306785433

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7% off MSRP $ 57.99

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$ 53.99 USD

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7% off MSRP

$ 57.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 53.99 USD

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Genuine BMW Collar Screw - M14X112-10.9

Genuine BMW Exhaust Manifold Install Kit - E46 M3

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T#:369479

Part#: E46M311_30

Ships in 3 Business Days

$ 499.99 USD

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$ 499.99 USD

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Genuine BMW Rear Manifold Oxygen Sensor - Rear Position/Post-Cat - S5...

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T#:367736

Part#: 11781406622

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6% off MSRP $ 423.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 398.99 USD

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6% off MSRP

$ 423.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 398.99 USD

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Exhaust Manifold Gasket - E46 M3, Z3M (S54), E85 Z4M

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T#:13035

Part#: 11627830667

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$ 42.34 USD

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$ 42.34 USD

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This is the individual triangular shaped gasket that goes between the exhaust manifold / header and the engine block. There are a total of 6 of these gaskets per S54 engine.Sold individually.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe

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Genuine BMW Exhaust Manifold Gasket - Set of Six - S54

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T#:379471

Part#: 11627830667KKT

Ships in 3 Business Days

$ 254.99 USD

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$ 254.99 USD

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Genuine BMW Exhaust Center Pipe Installation Kit - Rear - E46 M3 ...

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T#:375206

Part#: 18307830674KT

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$ 196.99 USD

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$ 196.99 USD

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Exhaust Gaskets and Hanger Package for E46 M3

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T#:338742

Part#: E46M3EXHGASKETS

In Stock

Starting at $ 285.04 USD

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Starting at $ 285.04 USD

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A Do-It-Yourself exhaust install can be hard enough. But to stop in the middle of it to run to the dealer for gaskets, hangers, or special hardware is a major inconvenience. Don't be left taking the bus to the dealership on the hunt for parts. Get all of the parts you may need before the job begins! And with mileage we can almost gurantee that any section you remove will need to have new gaskets. Some of the gaskets are crushed to ensure a tight seal; other gaskets become stuck to their flanges. This set of hangers and gaskets for the 2001-2006 E46 M3 covers all of the sections of the exhaust, from the headers to the muffler.

The exhaust on the E46 M3 is broken up into sections -
headers - gaskets at the cylinder head and at the outlet to section 1, plus an air pump gasket
section 1 - crush gasket rings on the inlet and flange gaskets at the outlet to section 2
section 2 - flange gaskets at the inlet and steel exhaust rings at the outlet to the muffler
muffler - steel exhaust rings on the inlet with special square-shouldered nuts (included with hanger/gasket kit)

This package also includes 3 new muffler hangers and the 2 hangers in the center of the exhaust (mounted on section 1).

We also offer most of the exhaust hardware you may need -
Torx bolts and nuts for the header-section 1 connection
copper nuts for the section 1-section 2 connection (M8x30 bolts can be re-used)

Applications:
2001-2006 E46 M3 coupe, convertible

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E46 M3 CSL Muffler

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T#:47377

Part#: 18107833504

Ships in 8 Business Days

3% off MSRP $ 7,584.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 7,339.99 USD

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3% off MSRP

$ 7,584.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 7,339.99 USD

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This is the factory muffler for the E46 M3 CSL. It is 5 lbs lighter than the stock muffler and will bring your CSL replica a cut above the rest.

Dinan Heavy Duty Exhaust Band Clamp - 3.00" (76mm)

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T#:38688902

Part#: D662-9237

Ships on Aug 6, 2026

8% off MSRP $ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.99 USD

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8% off MSRP

$ 23.99

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$ 21.99 USD

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Perfect for the do-it-yourself customer looking for a band clamp that allows for a 360º pressure connection, this clamp fits the build. Created from stainless steel, the clamp allows for connecting to 76mm (3") via a swedged pipe, and provides even clamping pressure and seal around the entire pipe. This makes for a simple install, or a quick removal should the need arise.

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"U-J Bend" 3.0" OD Stainless Steel - Each

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T#:28371265

Part#: 028092ECS08AKT

Ships on Feb 9, 2027

$ 55.99 USD

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$ 55.99 USD

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BMW enthusiasts looking to fabricate a custom exhaust project will find quality and price-friendly options in the ECS Tuning Universal Exhaust catalog. These select items feature the same premium benefits as our In-House Engineered Exhaust Systems, ensuring confidence in their quality and longevity.

Part Design:

Made from T304 Stainless Steel for corrosion resistance with an attractive brushed finish
3.0" outside diameter (OD)
1.5mm (.060") wall thickness tubing for durability
U-Bend Centerline Radius - 5.0" @ 180° angle
Leg Length "A" - 7.0"
Leg Length "B" - 14.0"
Leg Length "C" - 27.0"

Product Development:

Developed top-tier exhaust components through our In-House Engineered Exhaust Systems
Direct-fit components for specific European applications now available for custom exhaust projects

Installation and Support:

Universal parts with no direct fitment to any particular vehicle
Custom welding and fabrication required
Special prep/clean procedures must be followed for proper welding due to brushed finish

Elevate your BMW with ECS Tuning Universal Exhaust components, designed for quality and durability in custom exhaust projects.

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