Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW E90 Engine Emission Parts

Sort By
Filter By
Return to Top

Nitrogen Oxide Sensor (NOx Sensor)

ES#3193112 - 13628589845 - Nitrogen Oxide Sensor (NOx Sensor) - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
3193112
Mfg#:
13628589845
Ships in 3 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.

$815.99

This product was last offered at the strikethrough price on
06-03-2026

$788.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner N54 Baffled Oil Catch Can System - Driver Side - E9x, E8x

ES#3546717 - 022798tms01-15KT - Turner N54 Baffled Oil Catch Can System - Driver Side - E9x, E8x - A 4 chamber, baffled oil catch can complete with a driver side mount and drain system! - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can complete with a driver side mount and drain system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3546717
Mfg#:
022798TMS01-15KT
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 17%
$458.99

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

$382.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Hose - Pump To Valve

ES#4069420 - 11727557910 - Secondary Air Injection Hose - Pump To Valve - Connects the air pump to the cold start valve. - Rein - BMW

Connects the air pump to the cold start valve. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat! This fits the N51 SULEV Engine Only

Brand:
Rein - Corporate Logo
ES#:
4069420
Mfg#:
11727557910
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#3625133 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - FAE - BMW

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

Brand:
FAE - Corporate Logo
ES#:
3625133
Mfg#:
11787545075
In Stock
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Cover & Valve Upgrade

ES#5445538 - VTT-N54-UPCVVK - PCV Cover & Valve Upgrade - Ensures a superior seal that can withstand the high-pressure environments of tuned and high-horsepower N54 engines. - Vargas Turbo Technologies - BMW

Ensures a superior seal that can withstand the high-pressure environments of tuned and high-horsepower N54 engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5445538
Mfg#:
VTT-N54-UPCVVK
Ships on Jun 19, 2026
$63.99 USD
Free Shipping

SCR Metering Valve

ES#3172506 - 18307807206 - SCR Metering Valve - Replace your faulty valve - Bosch - BMW

Replace your faulty valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3172506
Mfg#:
18307807206
In Stock at Vendor
$359.99

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

$348.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Service Kit

ES#2825780 - 11617531423KT3 - Oil Separator Service Kit - Includes valve and all necessary hoses - Genuine BMW - BMW

Includes valve and all necessary hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 10/2005

Brand:
Genuine BMW - Corporate Logo
ES#:
2825780
Mfg#:
11617531423KT3
Ships in 8 Business Days
$698.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Hose

ES#4809973 - 11127584128 - Crankcase Breather Hose - Connects to the CCV on the valve cover - URO - BMW

Connects to the CCV on the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4809973
Mfg#:
11127584128
In Stock
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear

ES#4609903 - 11787589122 - Oxygen Sensor - Rear - Fuel control and emissions sensor - Vemo - BMW

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

Brand:
Vemo - Corporate Logo
ES#:
4609903
Mfg#:
11787589122
In Stock
$131.99

This product was last offered at the strikethrough price on
03-27-2026

$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Vent Hose

ES#4818548 - 11617559530 - Oil Separator Vent Hose - Should be replaced with the oil separator - Bremmen Parts - BMW

Should be replaced with the oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818548
Mfg#:
11617559530
In Stock
ON SALE! SAVE 20%
$42.99

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

$34.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vapor Canister Filter

ES#37280 - 16137170673 - Vapor Canister Filter - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
37280
Mfg#:
16137170673
Ships in 3 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.

$354.99

This product was last offered at the strikethrough price on
06-03-2026

$330.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Service Kit

ES#2682267 - 11617531423KT - Oil Separator Service Kit - Includes valve and all necessary hoses - Genuine BMW - BMW

Includes valve and all necessary hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 10/2005

Brand:
Genuine BMW - Corporate Logo
ES#:
2682267
Mfg#:
11617531423KT
Ships in 4 Business Days
$655.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Control Valve

ES#4070001 - 11727557909 - Secondary Air Injection Control Valve - Controls the flow of clean air into your exhaust manifold - Pierburg - BMW

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

Brand:
Pierburg - Corporate Logo
ES#:
4070001
Mfg#:
11727557909
Ships in 1-2 days
$157.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#19633 - 11157522931 - Crankcase Vent Hose - From oil separator to valve cover - Genuine BMW - BMW

From oil separator to valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19633
Mfg#:
11157522931
In Stock
Limited Qty Sale
$154.99

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

$125.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Replacement PCV Valve

ES#4040038 - N54ROBBECKPCV - N54 Replacement PCV Valve - Rob Beck Version - Burger Motorsports - BMW

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

Brand:
Burger Motorsports - Corporate Logo
ES#:
4040038
Mfg#:
N54ROBBECKPCV
Ships in 4 Business Days
$40.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump - Priced Each

ES#254244 - 11667791232 - Vacuum Pump - Priced Each - If your vacuum pump is noisy then it is only a matter of time before it fails. - Genuine BMW - BMW

If your vacuum pump is noisy then it is only a matter of time before it fails. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
254244
Mfg#:
11667791232
Ships in 6 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.

$657.99

This product was last offered at the strikethrough price on
06-03-2026

$612.99 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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings