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

Universal Large Aluminum Oil Catch Can

ES#2765062 - MM0CCLA - Universal Large Aluminum Oil Catch Can - Includes Mounting Brackets & Hardware - Mishimoto - Audi BMW Volkswagen MINI

Includes Mounting Brackets & Hardware

Brand:
Mishimoto - Corporate Logo
ES#:
2765062
Mfg#:
MM0CCLA
In Stock
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Charcoal Filter

ES#37275 - 16137163596 - Charcoal Filter - Aids in emissions reduction - Genuine BMW - BMW

Aids in emissions reduction

Brand:
Genuine BMW - Corporate Logo
ES#:
37275
Mfg#:
16137163596
In Stock
9% off MSRP

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

$433.99

This product was last offered at the strikethrough price on
07-20-2026

$396.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 PCV Valve Upgraded

ES#4428272 - 090745ECS09 - N54 PCV Valve Upgraded - Improve your N54's PCV system reliability! - ECS - BMW

Improve your N54's PCV system reliability! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4428272
Mfg#:
090745ECS09
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$105.99

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

$79.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Kit - Carbon Fiber

ES#2500608 - MM0CCCF - Universal Catch Can Kit - Carbon Fiber - Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. - Mishimoto - Audi BMW Volkswagen MINI

Kit with catch can and rubber hose; for retrofitting on a variety of vehicles.

Brand:
Mishimoto - Corporate Logo
ES#:
2500608
Mfg#:
MM0CCCF
In Stock
$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 1 Post-Cat

ES#2580858 - 11787545074 - Rear Oxygen Sensor - Bank 1 Post-Cat - Fuel control and emissions control sensor - Bosch - BMW

Fuel control and emissions control sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2580858
Mfg#:
11787545074
In Stock
$228.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Bank 2 Pre-Cat

ES#3031908 - 11787558073 - Oxygen Sensor - Bank 2 Pre-Cat - Located in the front position of the exhaust manifold - Bosch - BMW

Located in the front position of the exhaust manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3031908
Mfg#:
11787558073
In Stock
$250.99

This product was last offered at the strikethrough price on
04-22-2026

$170.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#2580859 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Bosch - BMW

Fuel control and emissions control sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2580859
Mfg#:
11787545075
In Stock
$137.99

This product was last offered at the strikethrough price on
04-25-2026

$137.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Environmental Air Catalyst (EAC) Sensor

ES#4781504 - 17117537292R - Environmental Air Catalyst (EAC) Sensor - Found on the back side of the radiator - URO - BMW

Found on the back side of the radiator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For SULEV Vehicles Equipped with the N51 Engine Only

Brand:
URO - Corporate Logo
ES#:
4781504
Mfg#:
17117537292R
In Stock
$271.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Blow-By Vent Hose

ES#4069279 - 11157553949 - Blow-By Vent Hose - For PCV system - Rein - BMW

For PCV system 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069279
Mfg#:
11157553949
In Stock
$40.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank case vent hose

ES#1906469 - 11127584128 - Crank case vent hose - Connects to the CCV on the valve cover - Genuine BMW - BMW

Connects to the CCV on the valve cover

Brand:
Genuine BMW - Corporate Logo
ES#:
1906469
Mfg#:
11127584128
In Stock
2% off MSRP

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

$55.68

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

$54.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AdBlue DEF Fluid - 10 Liters

ES#4773177 - 000989980911 - AdBlue DEF Fluid - 10 Liters - Diesel exhaust fluid - Genuine Mercedes Benz - Audi BMW Volkswagen Mercedes Benz

Diesel exhaust fluid

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4773177
Mfg#:
000989980911
In Stock
7% off MSRP

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

$59.00

This product was last offered at the strikethrough price on
07-20-2026

$54.99 USD
Free Shipping
on orders $49 and up

E9X M3 Oxygen Sensor - Priced Each

ES#2628626 - 11787537984 - E9X M3 Oxygen Sensor - Priced Each - Located on the catalytic converters, 2 required - Bosch - BMW
ECS Tuning recommends this product.

Located on the catalytic converters, 2 required 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2628626
Mfg#:
11787537984
In Stock
$180.99

This product was last offered at the strikethrough price on
04-09-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 6oz

ES#4369811 - 003779ECS05-01 - ECS Tuning Baffled Oil Catch Can - 6oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! 10X Entries For Our 25th Anniversary Sweepstakes!
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369811
Mfg#:
003779ECS05-01
In Stock
ON SALE! SAVE 46%
$233.99

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

$126.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Oil Catch Can

ES#3025579 - BCC-N54-135-335 - N54 Oil Catch Can - Perfect for high boost applications. - Burger Motorsports - BMW

Perfect for high boost applications.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3025579
Mfg#:
BCC-N54-135-335
In Stock
$179.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2702773 - 16117222391 - Gas Cap - Complete with sealing gasket and tether. - Rein - BMW MINI

Complete with sealing gasket and tether. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2702773
Mfg#:
16117222391
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
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