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BMW E46 M3 S54 3.2L

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BMW E46 M3 S54 3.2L Exhaust Parts & Accessories

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Front Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#11025 - 15138 - Front Manifold Oxygen Sensor - Rear Position/Post-Cat - Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine - Bosch - BMW

Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11025
Mfg#:
15138
In Stock at Vendor
$145.27

This product was last offered at the strikethrough price on
07-31-2026

$133.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Turner Intake & Valved Catback Exhaust

ES#4751384 - 023410LA09EBKT - E46 M3 Turner Intake & Valved Catback Exhaust - As close to perfection as you can get. Lightweight, free-flowing valved exhaust with valve controller for a versatile sound experience. The Turner Motorsport intake boasts a 200% improvement in flow! - Enthusiast Bundles - BMW

As close to perfection as you can get. Lightweight, free-flowing valved exhaust with valve controller for a versatile sound experience. The Turner Motorsport intake boasts a 200% improvement in flow! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751384
Mfg#:
023410LA09EBKT
In Stock
ON SALE! SAVE 35%
$2630.94

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

$1699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MACH Force-Xp Stainless Steel Cat-Back Exhaust

ES#3669084 - 49-36344-B - MACH Force-Xp Stainless Steel Cat-Back Exhaust - Mandrel-bent stainless steel with gloss black tips - +15hp +13lb/ft - AFE - BMW

Mandrel-bent stainless steel with gloss black tips - +15hp +13lb/ft

Brand:
AFE - Corporate Logo
ES#:
3669084
Mfg#:
49-36344-B
Back Ordered
ON SALE! SAVE 11%
$1882.99

This product was last offered at the strikethrough price on
05-27-2026

$1666.80 USD
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Cat-back Exhaust System

Increase power and sound with this cat back system from Scorpion.

Brand:
Scorpion - Corporate Logo
ES#:
3969452
Mfg#:
SBM050
Ships in 2 Business Days
$1630.99 USD

Gasket Ring - Priced Each

ES#4070204 - 11627830668 - Gasket Ring - Priced Each - HJS - BMW

Brand:
HJS - Corporate Logo
ES#:
4070204
Mfg#:
11627830668
Ships in 5 Business Days
$9.99

This product was last offered at the strikethrough price on
07-17-2026

$9.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 MACH Force-Xp Stainless Steel Cat-Back Exhaust

ES#3669083 - 49-36344-P - E46 M3 MACH Force-Xp Stainless Steel Cat-Back Exhaust - Mandrel-bent stainless steel with polished tips - +15hp +13lb/ft - AFE - BMW

Mandrel-bent stainless steel with polished tips - +15hp +13lb/ft

Brand:
AFE - Corporate Logo
ES#:
3669083
Mfg#:
49-36344-P
Back Ordered
ON SALE! SAVE 13%
$1823.99

This product was last offered at the strikethrough price on
05-27-2026

$1589.40 USD
This product is lifetime replacement eligible Lifetime Replacement

Hex Nut - Priced Each

ES#40452 - 18301737774 - Hex Nut - Priced Each - Install new hardware with your new parts. M10 - Genuine BMW - BMW

Install new hardware with your new parts. M10

Brand:
Genuine BMW - Corporate Logo
ES#:
40452
Mfg#:
18301737774
In Stock
$2.99

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

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless

ES#4146865 - 026732TMS06-02 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless - Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146865
Mfg#:
026732TMS06-02
In Stock
ON SALE! SAVE 26%
$125.99

This product was last offered at the strikethrough price on
05-02-2026

$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#2972993 - 18307830674 - Exhaust Gasket - Located between the downpipe & center exhaust pipe - Elring - BMW

Located between the downpipe & center exhaust pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2972993
Mfg#:
18307830674
In Stock
$13.99

This product was last offered at the strikethrough price on
08-03-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Megan Axle Back Exhaust

ES#4140127 - MRABEBE46M30EBC - E46 M3 Megan Axle Back Exhaust - 2.5" Stainless exhaust with quad 3" Black Chrome Tips - Megan Racing - BMW

2.5" Stainless exhaust with quad 3" Black Chrome Tips

Brand:
Megan Racing - Corporate Logo
ES#:
4140127
Mfg#:
MRABEBE46M30EBC
Ships in 4 Business Days
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Rear Muffler

ES#3969462 - SBMB050 - E46 M3 Rear Muffler - A rear muffler that gives an aggressive yet civilized tone. - Scorpion - BMW

A rear muffler that gives an aggressive yet civilized tone.

Brand:
Scorpion - Corporate Logo
ES#:
3969462
Mfg#:
SBMB050
Ships in 2 Business Days
$1171.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Gasket - Set Of Six

ES#2795686 - 11627830667KT1 - Exhaust Manifold Gasket - Set Of Six - A set of six new exhaust manifold gaskets - Elring - BMW

A set of six new exhaust manifold gaskets 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2795686
Mfg#:
11627830667KT1
In Stock
$45.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Direct-Fit Catalytic Converter - Front

ES#2618046 - 50415 - Direct-Fit Catalytic Converter - Front - Keep your emissions in check - Magnaflow - BMW

Keep your emissions in check 48-state legal - not for sale or use in California

Brand:
Magnaflow - Corporate Logo
ES#:
2618046
Mfg#:
50415
Back Ordered
$1156.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Parts & Accessories

From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.

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Manufacturer names and/or part numbers are used only for identification purposes.

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