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 Emissions Component Maintenance Parts

Sort By
Filter By
Return to Top

Oxygen Sensor - Rear Manifold

ES#261735 - 11787514927 - Oxygen Sensor - Rear Manifold - Located in the rear position of the exhaust manifold - Bosch - BMW

Located in the rear position of the exhaust manifold We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
261735
Mfg#:
11787514927
In Stock
$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#4870458 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - URO - BMW

Fuel control and emissions control sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4870458
Mfg#:
11787545075
In Stock
$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N20/N26 Upgraded Silicone PCV Hose (11127588417)

ES#5373980 - 018501LA02 - N20/N26 Upgraded Silicone PCV Hose (11127588417) - Replace your failure-prone plastic breather hose with a durable, long-lasting solution! - Turner Motorsport - BMW

Replace your failure-prone plastic breather hose with a durable, long-lasting solution! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
5373980
Mfg#:
018501LA02
Ships on Dec 29, 2026
ON SALE! SAVE 30%
$101.99

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

$71.39 USD
Free Shipping

Crankcase Ventilation Hose Kit

ES#2785230 - 11617504535K - Crankcase Ventilation Hose Kit - Hose kit to perform a CCV refresh - Rein - BMW

Hose kit to perform a CCV refresh 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2785230
Mfg#:
11617504535K
Ships in 2 Business Days
$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Valve With Gasket

ES#5394229 - 11127809512 - Crankcase Ventilation Valve With Gasket - Keep your BMW engine breathing freely with this direct-fit Crankcase Breather Valve (11127809512). - Bremmen Parts - BMW

Keep your BMW engine breathing freely with this direct-fit Crankcase Breather Valve (11127809512). 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5394229
Mfg#:
11127809512
Ships on Apr 8, 2027
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Bank 2 Pre-Cat

ES#4615598 - 11787558073 - Oxygen Sensor - Bank 2 Pre-Cat - Located in the front position of the exhaust manifold - URO - BMW

Located in the front position of the exhaust manifold 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4615598
Mfg#:
11787558073
Ships in 2 Business Days
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear

ES#2992472 - 11787589122 - Oxygen Sensor - Rear - Fuel control and emissions sensor - Bosch - BMW

Fuel control and emissions sensor We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2992472
Mfg#:
11787589122
In Stock
$163.99

This product was last offered at the strikethrough price on
07-10-2026

$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#3194895 - 11617561408KT4 - Emissions Service Kit - services the PCV - Assembled By ECS - BMW

services the PCV 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3194895
Mfg#:
11617561408KT4
In Stock
$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 2

ES#3108048 - E46M54OSW3KT2 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance, Includes ECS F-Connector - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance, Includes ECS F-Connector 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3108048
Mfg#:
E46M54OSW3KT2
In Stock
$232.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#250815 - 11781742051 - Oxygen Sensor - Rear, after catalyst - Bosch - BMW
ECS Tuning recommends this product.

Rear, after catalyst We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
250815
Mfg#:
11781742051
Ships in 2 Business Days
$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

OEM Bosch Oxygen Sensor - Post-Catalytic Converter

ES#4316418 - 11788631049 - OEM Bosch Oxygen Sensor - Post-Catalytic Converter - OEM Bosch Downstream O2 Sensor - Bosch - BMW

OEM Bosch Downstream O2 Sensor We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4316418
Mfg#:
11788631049
Ships in 2 Business Days
$150.99

This product was last offered at the strikethrough price on
08-02-2026

$142.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Downstream

ES#4465193 - 11788611294 - Oxygen Sensor - Downstream - Fuel control and emissions control sensor - Walker - BMW

Fuel control and emissions control sensor

Brand:
Walker - Corporate Logo
ES#:
4465193
Mfg#:
11788611294
Ships in 3 Business Days
$138.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Service Kit

ES#2718217 - 11157848155KT - Oil Separator Service Kit - Everything you need to service your PCV system - Genuine BMW - BMW

Everything you need to service your PCV system

Brand:
Genuine BMW - Corporate Logo
ES#:
2718217
Mfg#:
11157848155KT
Back Ordered
$1085.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 1

ES#2586874 - 11151703484KT - Oil Separator Kit - Level 1 - Includes a new separator, hoses, and hardware - Assembled By ECS - BMW

Includes a new separator, hoses, and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586874
Mfg#:
11151703484KT
Ships in 2 Business Days
$90.62 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

"Cold Climate" Crankcase Pressure Regulator Valve Kit

ES#4783145 - 11617533400S1 - "Cold Climate" Crankcase Pressure Regulator Valve Kit - Replace your cracked breather hoses and crankcase pressure valve with all new components! - Hamburg Tech - BMW

Replace your cracked breather hoses and crankcase pressure valve with all new components! We Price Match - Give Us A Call or Chat! Superior performance for both warm and cold climates

Brand:
Hamburg Tech - Corporate Logo
ES#:
4783145
Mfg#:
11617533400S1
Ships in 2 Business Days
$110.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front

ES#4879320 - 11787848482 - Oxygen Sensor - Front - Upstream Oxygen Sensor, priced each - URO - BMW

Upstream Oxygen Sensor, priced each 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4879320
Mfg#:
11787848482
In Stock
$109.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Other BMW Emissions Component Maintenance Parts

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings