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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW 3 Series E46 (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 Cat Back Exhaust - E46 M3

T#:380498

Part#: SSXBM462

Back Ordered

Sale - Save 10% $ 2,387.99

This product was last offered at the strikethrough price on
08-29-2026

$ 2,148.45 USD

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$ 2,387.99

This product was last offered at the strikethrough price on
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$ 2,148.45 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. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level. 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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Cylinder Head To Exhaust Manifold Stud & Nut Kit - E39 E46 Z3 W M52tu...

10X Entries Into Our F80 M3 Sweepstakes

T#:388324

Part#: TEN4649SK2

In Stock

Sale - Save 9% $ 97.14

This product was last offered at the strikethrough price on
03-04-2026

$ 88.02 USD

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Sale - Save 9%

$ 97.14

This product was last offered at the strikethrough price on
03-04-2026

$ 88.02 USD

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This convenient kit includes all the hardware you need to replace your old, rusted (or broken) exhaust manifold studs on your M52tu-family engine's head.

This item fits the following BMWs:
1999-2000 E46 BMW 323i 323ci 328i 328ci
1999-2000 E39 BMW 528i
1999-2000 Z3 BMW Z3 2.3 Z3 2.8

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Bav Auto Oxygen Sensor Tool - Angled Handle - 7/8"

10X Entries Into Our F80 M3 Sweepstakes

T#:580382

Part#: B8800066

Ships in 1 Business Day

Sale - Save 25% $ 49.99

This product was last offered at the strikethrough price on
05-03-2026

$ 37.49 USD

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Sale - Save 25%

$ 49.99

This product was last offered at the strikethrough price on
05-03-2026

$ 37.49 USD

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Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. Fits all Oxygen sensors with 7/8in (22mm) hex.

Bav Auto Extra Long Oxygen Sensor Tool - 1/2" Drive, 7/8" x 6" ...

10X Entries Into Our F80 M3 Sweepstakes

T#:580383

Part#: B8800067

Ships in 1 Business Day

Sale - Save 20% $ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 23.99 USD

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$ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 23.99 USD

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This 1/2" Drive, 7/8" x 6" Extra Long O2 sensor tool is used to remove difficult to reach oxygen sensors.

Centre Section

T#:7036620

Part#: MSBM130

Ships in 10 Business Days

Sale - Save 10% $ 699.00

This product was last offered at the strikethrough price on
08-29-2026

$ 629.10 USD

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$ 699.00

This product was last offered at the strikethrough price on
08-29-2026

$ 629.10 USD

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Performance rear Muffler - E46 M3

T#:380501

Part#: SSXBM934

Back Ordered

Sale - Save 10% $ 1,592.99

This product was last offered at the strikethrough price on
08-29-2026

$ 1,432.94 USD

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Sale - Save 10%

$ 1,592.99

This product was last offered at the strikethrough price on
08-29-2026

$ 1,432.94 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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Center Exhaust Section Installation Kit - E46 M54

10X Entries Into Our F80 M3 Sweepstakes

T#:639936

Part#: 18107502346KT1

Ships in 3 Business Days

Sale - Save 2% $ 160.99

This product was last offered at the strikethrough price on
05-03-2026

$ 157.86 USD

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$ 160.99

This product was last offered at the strikethrough price on
05-03-2026

$ 157.86 USD

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Includes mounting hardware and gaskets. If you are installing a new front muffler on your BMW, you will need new gaskets and hardware. Over time, heat and road grime will cause your hardware to deteriorate, and should not be reused. This kit includes mounting hardware and gaskets. See kit contents tab for a list of included components

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Eberspaecher Exhaust Bushing Sleeve - 49mm ID

T#:579136

Part#: 21.289.911

In Stock

Sale - Save 22% $ 6.99

This product was last offered at the strikethrough price on
05-03-2026

$ 5.44 USD

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Sale - Save 22%

$ 6.99

This product was last offered at the strikethrough price on
05-03-2026

$ 5.44 USD

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Universal Connector

Bav Auto Exhaust Doughnut Stretcher

10X Entries Into Our F80 M3 Sweepstakes

T#:580373

Part#: B8800051

In Stock

Sale - Save 25% $ 20.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.74 USD

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$ 20.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.74 USD

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This tool is not vehicle specific and is a universal tool that may or may not work on all applications. This exhaust doughnut stretcher features an offset J-hook to grab onto the rubber rings used to mount most BMW exhaust systems. Features a large coated handle for a comfortable grip.

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