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

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

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

Brand:
Bosch - Corporate Logo
ES#:
2992472
Mfg#:
11787589122
In Stock
$168.99

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

$111.99 USD
Free Shipping
on orders $49 and up
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 For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586874
Mfg#:
11151703484KT
Ships in 3 Business Days
ON SALE! SAVE 25%
$91.96

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

$68.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 2

ES#3621813 - e46m54osw2kt3 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance, Includes ECS F-Connector - Genuine BMW - BMW

A truly complete kit for oil separator system maintenance, Includes ECS F-Connector

Brand:
Genuine BMW - Corporate Logo
ES#:
3621813
Mfg#:
E46M54OSW2KT3
Ships in 1-2 days
$359.41 USD
Free Shipping
on orders $49 and up
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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4316418
Mfg#:
11788631049
In Stock at Vendor
$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 For Our 25th Anniversary 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

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

Brand:
Bosch - Corporate Logo
ES#:
261735
Mfg#:
11787514927
Ships in 1 Business Day
$142.99 USD
Free Shipping
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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4615598
Mfg#:
11787558073
In Stock
$101.99 USD
Free Shipping
on orders $49 and up
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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
250815
Mfg#:
11781742051
In Stock
$128.99

This product was last offered at the strikethrough price on
07-23-2026

$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#2840643 - 11787836394 - Oxygen Sensor - Bank 1 sensor, before the catalytic converter - Bosch - BMW

Bank 1 sensor, before the catalytic converter 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2840643
Mfg#:
11787836394
In Stock at Vendor
38% off MSRP

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

$320.72

This product was last offered at the strikethrough price on
08-05-2026

$199.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SET, OIL SEPARATORS,

ES#3028887 - 11158636544 - SET, OIL SEPARATORS, - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
3028887
Mfg#:
11158636544
In Stock
Limited Qty Sale
$263.99

This product was last offered at the strikethrough price on
06-10-2026

$238.99 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 2 Business Days
$159.99

This product was last offered at the strikethrough price on
04-10-2026

$138.99 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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4879320
Mfg#:
11787848482
Ships in 1 Business Day
$109.25 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
Ships in 3 Business Days
$1085.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2135795 - 11787595353 - Oxygen Sensor - Priced Each - Keep your BMW mileage up and running correctly - Genuine BMW - BMW MINI

Keep your BMW mileage up and running correctly

Brand:
Genuine BMW - Corporate Logo
ES#:
2135795
Mfg#:
11787595353
Ships in 1-2 days
13% off MSRP

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

$406.99

This product was last offered at the strikethrough price on
08-05-2026

$352.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front Manifold

ES#3031907 - 11787545243 - Oxygen Sensor - Front Manifold - Located in the rear position of the exhaust manifold - Bosch - BMW

Located in the rear 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#:
3031907
Mfg#:
11787545243
Ships in 1-2 days
$100.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/CCV Kit

ES#4342960 - 11151703484KIT - Oil Separator/CCV Kit - Includes a new separator and hoses - Febi - BMW

Includes a new separator and hoses 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342960
Mfg#:
11151703484KIT
Ships in 9 Business Days
Auto Notify
$108.99

This product was last offered at the strikethrough price on
07-08-2026

$82.99 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 ECS Tuning is part of Enthusiast Auto Holdings