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 Engine Emission Parts

Sort By
Filter By
Return to Top

Oxygen Sensor - After Catalytic Converter

ES#2855213 - 11787512002 - Oxygen Sensor - After Catalytic Converter - Length: 325mm - Bosch - BMW

Length: 325mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2855213
Mfg#:
11787512002
In Stock at Vendor
$171.99

This product was last offered at the strikethrough price on
01-30-2026

$105.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Connecting Pipe - Cylinders 5-8

ES#4726282 - 11157646087 - Crankcase Ventilation Connecting Pipe - Cylinders 5-8 - Connects the crankcase vent pipe to the valve cover. - Vaico - BMW

Connects the crankcase vent pipe to the valve cover. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4726282
Mfg#:
11157646087
In Stock at Vendor
$106.99

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

$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit

ES#2748348 - 11151705237KT - Oil Separator Kit - The most commonly replaced components in your breather system - Assembled By ECS - BMW

The most commonly replaced components in your breather system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2748348
Mfg#:
11151705237KT
Back Ordered
$115.99

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

$102.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Connecting Pipe - Cylinders 1-4

ES#4726334 - 11157646086 - Crankcase Ventilation Connecting Pipe - Cylinders 1-4 - Connects the crankcase vent pipe to the valve cover. - Vaico - BMW

Connects the crankcase vent pipe to the valve cover. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4726334
Mfg#:
11157646086
In Stock at Vendor
$105.99

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

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Activated charcoal container vent pipe

ES#37111 - 16131184242 - Activated charcoal container vent pipe - Attaches to activated charcoal container expansion tank - Genuine BMW - BMW

Attaches to activated charcoal container expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
37111
Mfg#:
16131184242
Ships in 9 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.

$105.99

This product was last offered at the strikethrough price on
07-21-2026

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Pre Catalytic Converter

ES#3146984 - 11787512983 - Oxygen Sensor - Pre Catalytic Converter - Length: 550mm - Bosch - BMW

Length: 550mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3146984
Mfg#:
11787512983
Back Ordered
$104.99

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

$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#36211 - 16116767740 - Gas Cap - Address fuel vapor leaks (or broken tethers and lost caps) - Genuine BMW - BMW

Address fuel vapor leaks (or broken tethers and lost caps)

Brand:
Genuine BMW - Corporate Logo
ES#:
36211
Mfg#:
16116767740
In Stock at Vendor
$106.99

This product was last offered at the strikethrough price on
04-17-2026

$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Box

ES#254250 - 11717796883 - Vacuum Box - Part of the emissions control system - Genuine BMW - BMW

Part of the emissions control system

Brand:
Genuine BMW - Corporate Logo
ES#:
254250
Mfg#:
11717796883
Ships in 3 Business Days
6% off MSRP

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

$106.99

This product was last offered at the strikethrough price on
07-21-2026

$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DEF Funnel Kit

ES#3603431 - CTA7220 - DEF Funnel Kit - Refill your diesel AD BLUE system. - CTA Tools - BMW Volkswagen Mercedes Benz

Refill your diesel AD BLUE system.

Brand:
CTA Tools - Corporate Logo
ES#:
3603431
Mfg#:
CTA7220
Ships on Aug 7, 2026
$50.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose - Cylinders 1-4

ES#25802 - 11617547185 - Crankcase Vent Hose - Cylinders 1-4 - Should be replaced anytime leaks are detected - Genuine BMW - BMW

Should be replaced anytime leaks are detected For vehicles with production date up to 11/2006

Brand:
Genuine BMW - Corporate Logo
ES#:
25802
Mfg#:
11617547185
Ships in 3 Business Days
4% off MSRP

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

$51.99

This product was last offered at the strikethrough price on
07-21-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Booster Check Valve

ES#4845355 - 11611440135 - Brake Booster Check Valve - Located between the brake booster and the intake manifold. The Brake Booster Check Valve is an essential part for maintaining your BMWs brake system, ensuring safe, efficient, and responsive braking at all times. - Rein - BMW

Located between the brake booster and the intake manifold. The Brake Booster Check Valve is an essential part for maintaining your BMW’s brake system, ensuring safe, efficient, and responsive braking at all times. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4845355
Mfg#:
11611440135
Back Ordered
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Pipe - Cylinders 1-4

ES#3463448 - 11157575640 - Crankcase Vent Pipe - Cylinders 1-4 - Replace your damaged crank vent pipe - Bremmen Parts - BMW

Replace your damaged crank vent pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3463448
Mfg#:
11157575640
Ships on Aug 11, 2026
Auto Notify
ON SALE!
$52.99

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

$49.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Vapor Canister Filter

ES#37256 - 16136765272 - E46 Vapor Canister Filter - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
37256
Mfg#:
16136765272
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.

$100.99

This product was last offered at the strikethrough price on
07-21-2026

$97.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#4342968 - 11157522931 - Crankcase Vent Hose - Runs from oil separator to the intake manifold - Febi - BMW

Runs from oil separator to the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342968
Mfg#:
11157522931
Ships on Oct 19, 2026
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#4818520 - 11157831311 - Crankcase Vent Hose - Runs from oil separator to the intake manifold - Bremmen Parts - BMW

Runs from oil separator to the intake manifold 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818520
Mfg#:
11157831311
In Stock
ON SALE! SAVE 21%
$30.99

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

$24.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Valve

ES#5394230 - 11127803790 - Crankcase Ventilation Valve - Restore your BMWs crankcase ventilation with this highquality Breather Valve Diaphragm Spring and Cap (11127803790). - Bremmen Parts - BMW

Restore your BMW’s crankcase ventilation with this high‑quality Breather Valve Diaphragm Spring and Cap (11127803790). 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5394230
Mfg#:
11127803790
Ships on Jan 14, 2027
ON SALE! SAVE 24%
$15.99

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

$12.23 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.

Other BMW Engine Emission 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