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BMW E46 M3 S54 3.2L Engine Emission Parts

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

Commonly referred to as the "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19663
Mfg#:
11157840446
In Stock
ON SALE!
$155.01

This product was last offered at the strikethrough price on
06-15-2026

$143.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Radium Engineering - Corporate Logo
ES#:
4460630
Mfg#:
RAD20-0530
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only and production date from 09/2004

Brand:
Genuine BMW - Corporate Logo
ES#:
3184299
Mfg#:
11157840446KT8
Ships in 2 Business Days
$521.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5396193 - 16117222391 - Gas Cap - Complete with sealing gasket and tether. - Bremmen Parts - BMW MINI
ECS Tuning recommends this product.

Complete with sealing gasket and tether. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5396193
Mfg#:
16117222391
In Stock
ON SALE! SAVE 15%
$19.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#25468 - 11611437560 - Vacuum Cap - Used in various locations under the hood - Genuine BMW - BMW

Used in various locations under the hood affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#19659 - 11157834056 - Vent Hose - Part of the oil separator system - Genuine BMW - BMW

Part of the oil separator system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19659
Mfg#:
11157834056
Ships in 2 Business Days
3% off MSRP

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

$230.99

This product was last offered at the strikethrough price on
07-02-2026

$223.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3183754
Mfg#:
015515ECS01-01KT
Ships on Nov 18, 2026
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
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 Business Day
$397.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27145
Mfg#:
11781406622
Ships in 2 Business Days
7% 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
07-02-2026

$395.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27144
Mfg#:
11781406621
Ships in 2 Business Days
7% 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
07-02-2026

$395.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 Business Day
$392.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#26872 - 11727837456 - Secondary Air Valve - Also known as an EGR valve - Genuine BMW - BMW

Also known as an EGR valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26872
Mfg#:
11727837456
Ships in 2 Business Days
3% off MSRP

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

$194.99

This product was last offered at the strikethrough price on
07-02-2026

$188.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#261011 - 11727505259 - EGR Valve Gasket - Seals valve to the exhaust pipe - Victor Reinz - BMW

Seals valve to the exhaust pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
261011
Mfg#:
11727505259
In Stock
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#27143 - 11781405324 - Rear Manifold Oxygen Sensor - Front Position/Pre-Cat - Located in the front position of the exhaust manifold for cylinders 4-6 on the S54 engine - Genuine BMW - BMW

Located in the front position of the exhaust manifold for cylinders 4-6 on the S54 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27143
Mfg#:
11781405324
In Stock
ON SALE!
$395.99

This product was last offered at the strikethrough price on
06-15-2026

$365.75 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#27214 - 11781743994 - Front Manifold Oxygen Sensor - Front Position/Pre-Cat - Located in the front position of the exhaust manifold for cylinders 1-3 on the S54 engine - Genuine BMW - BMW

Located in the front position of the exhaust manifold for cylinders 1-3 on the S54 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27214
Mfg#:
11781743994
In Stock
ON SALE!
$377.99

This product was last offered at the strikethrough price on
06-15-2026

$349.58 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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