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BMW E46 M3 S54 3.2L

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BMW E46 M3 S54 3.2L Engine Emission Parts

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Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2602540 - 11157840446KT - Emissions Service Kit - Everything you need to service your PCV system - Genuine BMW - BMW

Everything you need to service your PCV system For vehicles with SMG gearbox and production date up to 09/2004

Brand:
Genuine BMW - Corporate Logo
ES#:
2602540
Mfg#:
11157840446KT
Back Ordered
$613.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Return Pipe

ES#25220 - 11537838756 - Return Pipe - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
25220
Mfg#:
11537838756
Ships in 2 Business Days
1% off MSRP

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

$587.99

This product was last offered at the strikethrough price on
10-11-2026

$583.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 10AN ORB To 3/8" Barb

ES#4460630 - rad20-0530 - Universal 10AN ORB To 3/8" Barb - This PCV can be used on the outlet of any Radium Engineering catch can - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This PCV can be used on the outlet of any Radium Engineering catch can

Brand:
Radium Engineering - Corporate Logo
ES#:
4460630
Mfg#:
RAD20-0530
In Stock at Vendor
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Vent To Atmosphere Billet Catch Can - Universal Fitment

ES#2794762 - IEDIYUU18 - IE Vent To Atmosphere Billet Catch Can - Universal Fitment - Prevent crankcase oil fumes from condensing and filling your intake piping, turbo piping, intercooler, intake manifold, and breather system - Integrated Engineering - Audi BMW Volkswagen MINI

Prevent crankcase oil fumes from condensing and filling your intake piping, turbo piping, intercooler, intake manifold, and breather system

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794762
Mfg#:
IEDIYUU18
Ships in 1 Business Day
$186.99 USD
Free Shipping

Emissions Service Kit

ES#3184299 - 11157840446KT8 - Emissions Service Kit - Everything you need to service your PCV system - Genuine BMW - BMW

Everything you need to service your PCV system For vehicles with manual transmission only and production date from 09/2004

Brand:
Genuine BMW - Corporate Logo
ES#:
3184299
Mfg#:
11157840446KT8
Ships in 1 day
$521.99

This product was last offered at the strikethrough price on
07-06-2026

$520.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Cap

ES#25468 - 11611437560 - Vacuum Cap - Used in various locations under the hood - Genuine BMW - BMW

Used in various locations under the hood

Brand:
Genuine BMW - Corporate Logo
ES#:
25468
Mfg#:
11611437560
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump - Priced Each

ES#37298 - 16137193479 - Leak Detection Pump - Priced Each - Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. - Genuine BMW - BMW MINI

Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. For vehicles with production date from 09/2001

Brand:
Genuine BMW - Corporate Logo
ES#:
37298
Mfg#:
16137193479
Ships in 1 day
6% off MSRP

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

$266.99

This product was last offered at the strikethrough price on
10-11-2026

$250.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve

ES#19663 - 11157840446 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" - Genuine BMW - BMW

Commonly referred to as the "oil separator"

Brand:
Genuine BMW - Corporate Logo
ES#:
19663
Mfg#:
11157840446
Ships in 1 day
12% off MSRP

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

$176.08

This product was last offered at the strikethrough price on
10-11-2026

$155.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2681738 - 16117222391 - Gas Cap - Original equipment gas cap - while supplies last! - Original Equipment Supplier - BMW MINI

Original equipment gas cap - while supplies last!

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2681738
Mfg#:
16117222391
Ships on Mar 31, 2027
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Valve

ES#4876889 - 13907831770 - Fuel Tank Breather Valve - Fix that rough idle! - Bremmen Parts - BMW

Fix that rough idle! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4876889
Mfg#:
13907831770
In Stock
ON SALE! SAVE 15%
$82.99

This product was last offered at the strikethrough price on
09-16-2026

$70.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS S54 Baffled Oil Catch Can System

ES#3183754 - 015515ecs01-01KT - ECS S54 Baffled Oil Catch Can System - Keep your intake tract clean and oil free, with our ECS Baffled Oil Catch Can System - ECS - BMW

Keep your intake tract clean and oil free, with our ECS Baffled Oil Catch Can System 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3183754
Mfg#:
015515ECS01-01KT
Ships on Feb 26, 2027
ON SALE! SAVE 15%
$489.99

This product was last offered at the strikethrough price on
06-13-2026

$416.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#27145 - 11781406622 - Rear Manifold Oxygen Sensor - Rear Position/Post-Cat - Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine - Genuine BMW - BMW

Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine

Brand:
Genuine BMW - Corporate Logo
ES#:
27145
Mfg#:
11781406622
Ships in 3 Business Days
6% off MSRP

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

$423.99

This product was last offered at the strikethrough price on
10-11-2026

$398.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#27144 - 11781406621 - Front Manifold Oxygen Sensor - Rear Position/Post-Cat - Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine - Genuine BMW - BMW

Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine

Brand:
Genuine BMW - Corporate Logo
ES#:
27144
Mfg#:
11781406621
Ships in 3 Business Days
6% off MSRP

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

$423.99

This product was last offered at the strikethrough price on
10-11-2026

$398.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2602551 - 11157840446KT3 - Emissions Service Kit - Everything you need to service your PCV system - Genuine BMW - BMW

Everything you need to service your PCV system For vehicles with manual transmission only and production date up to 09/2004

Brand:
Genuine BMW - Corporate Logo
ES#:
2602551
Mfg#:
11157840446KT3
Ships in 1 day
$397.99

This product was last offered at the strikethrough price on
07-06-2026

$395.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2602544 - 11157840446KT1 - Emissions Service Kit - Everything you need to service your PCV system - Genuine BMW - BMW

Everything you need to service your PCV system For vehicles with manual transmission only and production date up to 09/2004

Brand:
Genuine BMW - Corporate Logo
ES#:
2602544
Mfg#:
11157840446KT1
Ships in 1 day
$392.99

This product was last offered at the strikethrough price on
07-06-2026

$390.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Emission Parts

Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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