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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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Universal Catalytic Converter - 2.25"

T#:23152011

Part#: 602205

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$ 97.99 USD

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Enhance your BMW's performance with this OBD II compliant universal fit catalytic converter. This converter, devoid of O2 sensor bungs, ensures compatibility with various vehicles. However, please note that it's not a 50-state legal catalytic converter. For California residents, it's recommended to verify local laws pertaining to aftermarket catalytic converters.

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Cylinder Head To Exhaust Manifold Stud & Nut Kit - E39 E46 Z3 W M52tu...

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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Elring Exhaust Manifold Gasket With Heat Shield - E39, E46, E53, E60,...

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:383892

Part#: 11621732969

In Stock

$ 42.99

This product was last offered at the strikethrough price on
03-26-2026

$ 30.99 USD

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$ 30.99 USD

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2 required per vehicle

Header Hardware and Gasket Kit - E46 M3

T#:48

Part#: E46M3HEADERKIT

Ships in 7 Business Days

$ 169.99

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

$ 164.99 USD

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$ 164.99 USD

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Includes longer studs for aftermarket headers! If you're swapping in new headers on your E46 M3 this kit of gaskets and hardware is the perfect finishing touch! Everyone knows that headers are one of the best performance gains you can do on the E46 M3 and we sell a lot of them. But new gaskets are required if you want a leak-free install and to avoid re-doing the work. This kit fits all E46 M3 (LHD only). Includes: 6 x 11627830667, manifold to head gaskets 18 x 11721437202, exhaust manifold nut 18 x 11121744057, exhaust manifold stud 2 x 11627830668, manifold to section 1 crush rings 1 x 11727505259, air pump valve gasket This item fits the following BMWs: 2001-2006 E46 BMW M3

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Exhaust Manifold Gasket - Set Of Six

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379470

Part#: 11627830667KT1

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$ 45.00 USD

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$ 45.00 USD

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Cylinder Head To Exhaust Manifold Stud & Nut Kit - E46 M3

T#:636980

Part#: 07129900298KT

Ships in 1 day

$ 103.99

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

$ 96.99 USD

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$ 96.99 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 S54 engine's head.

Center Exhaust Section Installation Kit - E46 M54

T#:639936

Part#: 18107502346KT1

Ships in 1 day

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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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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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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Exhaust Gaskets and Hanger Package for E46 M3

T#:338742

Part#: E46M3EXHGASKETS

Ships on Sep 1, 2026

$ 285.99

This product was last offered at the strikethrough price on
07-15-2026

Starting at $ 250.99 USD

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Starting at $ 250.99 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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Elring Exhaust Gasket - 18107502346 - M54, N52

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:13196

Part#: 18107502346

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$ 9.17 USD

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$ 9.17 USD

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Exhaust gaskets should be replaced any time the exhaust is taken apart or when a leak occurs. This Elring gasket is perfect to prevent any future leaks and to fix old ones.

Elring is one of the biggest OEM names in the manufacturing of high quality gaskets that are available for very affordable prices. Elring has supplied many automotive names for years with the gaskets that seal your car's components from day 1 so you can rest assured that these components will last for a long time to come!

Fits the following BMW's:
E46, E39, E60, E83, E53, E70, E36 Z3, E85 Z4

Fits the following Engines:
M54, N52

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Elring Exhaust Gasket - S54

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:384318

Part#: 18307830674

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$ 13.99 USD

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$ 13.99 USD

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Located between the downpipes and the center section of the exhaust. This seals off the connection between the exhaust pipes.

Fits the following BMW engines:
S54 3.2L

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Elring Exhaust Manifold Gasket - S54 3.2L

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:341254

Part#: 11627830667

In Stock

$ 7.50 USD

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$ 7.50 USD

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This seals the exhaust manifold to the head. We recommend replacing this any time the exhaust manifold needs to be removed.

Fits the following BMW eninges:
S54 3.2L

Exhaust Pipe Flange Gasket

T#:54317213

Part#: 363.160

In Stock

$ 7.99 USD

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$ 7.99 USD

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Fix that frustrating exhaust leak and restore lost engine efficiency with this high-quality exhaust manifold gasket from Elring.

Elring EGR Valve Gasket - BMW E31, E34, E36, E38, E39, E46, E52, E53,...

For vehicles with production date up to 03/2003

T#:45517835

Part#: 074.440

Special Order: No Guaranteed ETA

$ 7.99 USD

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$ 7.99 USD

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Seals the EGR valve to the exhaust Replaces BMW # 11727505259

Elring Gasket Ring - E46 M3, Z4 M, E9X M3

T#:45517825

Part#: 738.320

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$ 12.99 USD

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$ 12.99 USD

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This exhaust gasket ring seals the exhaust headers to the midpipe. This should be replaced every time the exhaust is disassembled. Replaces BMW # 11627830668

Turner Motorsport Double Wall Slash Cut Exhaust Tips - 2.75 Inlet - 3...

T#:55857771

Part#: 026732TMS03KTKT2

In Stock

$ 279.99 USD

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$ 279.99 USD

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