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BMW E90 Engine Emission Parts

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Billet 1/2" Check Valve - 8 Barb

ES#3616083 - VTT-CHECK-1 - Billet 1/2" Check Valve - 8 Barb - Useful in multiple locations. - Vargas Turbo Technologies - BMW

Useful in multiple locations. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
3616083
Mfg#:
VTT-CHECK-1
In Stock
$36.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Pump

ES#26878 - 11727838313 - Air Pump - An essential part of your vehicle's emissions system - Genuine BMW - BMW

An essential part of your vehicle's emissions system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26878
Mfg#:
11727838313
Ships in 4 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.

$622.99

This product was last offered at the strikethrough price on
06-04-2026

$579.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S65 Catchan Kit Project With ESS Supercharged Hoses

ES#4920479 - S65CCSK-2 - S65 Catchan Kit Project With ESS Supercharged Hoses - A must-have for E9x BMW M3 owners looking to ensure clean airflow, reduce carbon deposits, and maintain peak engine performance. - NRW Design - BMW

A must-have for E9x BMW M3 owners looking to ensure clean airflow, reduce carbon deposits, and maintain peak engine performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NRW Design - Corporate Logo
ES#:
4920479
Mfg#:
S65CCSK-2
Ships in 3 Business Days
$555.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR VALVE

ES#4840048 - 11718512526 - EGR VALVE - Original Equipment Supplier - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
4840048
Mfg#:
11718512526
Ships in 1 day
$568.99

This product was last offered at the strikethrough price on
05-07-2026

$552.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Control Valve

ES#26837 - 11727557909 - Secondary Air Injection Control Valve - Controls the flow of clean air into your exhaust manifold - Genuine BMW - BMW

Controls the flow of clean air into your exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26837
Mfg#:
11727557909
Ships in 1 day
8% off MSRP

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

$148.32

This product was last offered at the strikethrough price on
06-04-2026

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#27275 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Genuine BMW - BMW

Fuel control and emissions control sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27275
Mfg#:
11787545075
Ships in 1 day
15% off MSRP

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

$325.99

This product was last offered at the strikethrough price on
06-04-2026

$277.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S65 Catch Can Kit Project With N/A Hoses

ES#4920467 - S65CCSK-1 - S65 Catch Can Kit Project With N/A Hoses - Used to preserve engine performance and safeguard your investment with precision-fit, race-proven quality. - NRW Design - BMW

Used to preserve engine performance and safeguard your investment with precision-fit, race-proven quality. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NRW Design - Corporate Logo
ES#:
4920467
Mfg#:
S65CCSK-1
Ships in 3 Business Days
$535.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Replacement Kit

ES#4315403 - 11718517217KT - EGR Valve Replacement Kit - Includes new EGR valve and gaskets - Assembled By ECS - BMW

Includes new EGR valve and gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4315403
Mfg#:
11718517217KT
Ships in 1 day
$531.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR VALVE

ES#2557607 - 11718512526 - EGR VALVE - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2557607
Mfg#:
11718512526
Ships in 1 day
5% off MSRP

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

$554.99

This product was last offered at the strikethrough price on
01-07-2026

$526.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Return Pipe

ES#19650 - 11157567801 - Crankcase Ventilation Return Pipe - Located under intake manifold - Genuine BMW - BMW

Located under intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19650
Mfg#:
11157567801
Ships in 1 day
5% off MSRP

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

$184.99

This product was last offered at the strikethrough price on
06-04-2026

$175.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Backpressure Sensor - Priced Each

ES#4871943 - 13627805758 - Exhaust Backpressure Sensor - Priced Each - Also called a Differential Pressure Sensor - measures pressure before and after the diesel particulate filter. - Bremmen Parts - BMW

Also called a Differential Pressure Sensor - measures pressure before and after the diesel particulate filter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871943
Mfg#:
13627805758
In Stock
ON SALE! SAVE 21%
$70.99

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

$56.30 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 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

N55 Silicone Upgraded Crank Case Vent Hose

ES#4876617 - 018481LA01 - N55 Silicone Upgraded Crank Case Vent Hose - Replace the weak link in your crank case vent hose with our silicone upgrade! - ECS - BMW

Replace the weak link in your crank case vent hose with our silicone upgrade! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4876617
Mfg#:
018481LA01
Ships in 8 Business Days
Auto Notify
ON SALE! SAVE 41%
$25.99

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

$15.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Driver Side Catch Can

ES#4140469 - 023185TMS010 - N54 Driver Side Catch Can - Complete with A/N fittings and billet PCV system adapters - Turner Motorsport - BMW

Complete with A/N fittings and billet PCV system adapters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engineered for Driver Side engine bay fitment.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4140469
Mfg#:
023185TMS010
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 25%
$623.14

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

$467.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner A/N Catch Can Kit - Passenger Side

ES#4057348 - 023185TMS09 - Turner A/N Catch Can Kit - Passenger Side - Complete with A/N fittings and billet PCV system adapters - Turner Motorsport - BMW

Complete with A/N fittings and billet PCV system adapters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engineered for Passenger Side engine bay fitment.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4057348
Mfg#:
023185TMS09
In Stock
ON SALE! SAVE 25%
$617.99

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

$463.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2682266 - 11617561408KT2 - Emissions Service Kit - services the PCV - Genuine BMW - BMW

services the PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2682266
Mfg#:
11617561408KT2
Ships in 1 day
$221.99 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.

Let us help you find the parts that fit your BMW

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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