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

Billet Fuel Cap

ES#4643099 - MMR03-1501 - Billet Fuel Cap - Upgraded fuel cap that adds the MMX style - MMX Performance - BMW MINI

Upgraded fuel cap that adds the MMX style For vehicles with production date from 08/1999

Brand:
MMX Performance - Corporate Logo
ES#:
4643099
Mfg#:
MMR03-1501
Ships on Nov 16, 2026
$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Suction Hose

ES#26882 - 11727838504 - Air Pump Suction Hose - Part of your car's emissions system - Genuine BMW - BMW

Part of your car's emissions system

Brand:
Genuine BMW - Corporate Logo
ES#:
26882
Mfg#:
11727838504
Ships in 1-2 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.

$261.99

This product was last offered at the strikethrough price on
10-23-2026

$245.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Control Valve

ES#254257 - 11747810831 - Vacuum Control Valve - Used in emissions and noise reduction systems - Genuine BMW - BMW MINI

Used in emissions and noise reduction systems

Brand:
Genuine BMW - Corporate Logo
ES#:
254257
Mfg#:
11747810831
In Stock
10% off MSRP

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

$61.00

This product was last offered at the strikethrough price on
10-23-2026

$54.64 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
$168.99

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

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

Fuel Tank Ventilation

ES#5445659 - 13907636156 - Fuel Tank Ventilation - Hudson - BMW

Brand:
Hudson - Corporate Logo
ES#:
5445659
Mfg#:
13907636156
Back Ordered
$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#5340306 - 16117222391 - Gas Cap - Complete with sealing gasket and tether. - Hamburg Tech - BMW MINI

Complete with sealing gasket and tether.

Brand:
Hamburg Tech - Corporate Logo
ES#:
5340306
Mfg#:
16117222391
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank Case Vent Hose

ES#4759536 - 11157843151 - Crank Case Vent Hose - Breather hose for Cylinders 5-8 - Rein - BMW

Breather hose for Cylinders 5-8 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4759536
Mfg#:
11157843151
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OIL DIPSTICK GUIDE TUBE

ES#4309565 - 33108433799 - OIL DIPSTICK GUIDE TUBE - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4309565
Mfg#:
33108433799
Ships in 6 Business Days
2% off MSRP

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

$477.00

This product was last offered at the strikethrough price on
10-23-2026

$467.99 USD
Free Shipping
on orders $49 and up
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
ON SALE! SAVE 23%
$226.99

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

$174.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Baffled Oil Catch Can

ES#3146776 - MMBCCN20N2612CB - Baffled Oil Catch Can - Direct-fit, plug-and-play catch can kit for N20 engines. Keep your engine clean & free of oil deposits. - Mishimoto - BMW

Direct-fit, plug-and-play catch can kit for N20 engines. Keep your engine clean & free of oil deposits.

Brand:
Mishimoto - Corporate Logo
ES#:
3146776
Mfg#:
MMBCCN20N2612CB
In Stock at Vendor
$278.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Vacuum Line

ES#3691613 - 11727574490 - Secondary Air Pump Vacuum Line - Replacement line - Rein - BMW

Replacement line 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3691613
Mfg#:
11727574490
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
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
ON SALE! SAVE 21%
$61.99

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

$48.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Vaccum Relief Valve

ES#4142096 - VTT-VAC-RELIEF - Billet Vaccum Relief Valve - Adjust the vacuum pressure in your crankcase - Vargas Turbo Technologies - BMW

Adjust the vacuum pressure in your crankcase 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4142096
Mfg#:
VTT-VAC-RELIEF
Ships in 1-2 days
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor/Lambda Probe

ES#4164882 - 13628589846 - Oxygen Sensor/Lambda Probe - Length = 915MM - Vemo - BMW

Length = 915MM

Brand:
Vemo - Corporate Logo
ES#:
4164882
Mfg#:
13628589846
Ships in 1 Business Day
$700.99

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

$680.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank case vent hose

ES#2578044 - 11157843150 - Crank case vent hose - Cylinders 1-4 - Genuine BMW - BMW

Cylinders 1-4

Brand:
Genuine BMW - Corporate Logo
ES#:
2578044
Mfg#:
11157843150
In Stock
4% off MSRP

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

$108.59

This product was last offered at the strikethrough price on
10-23-2026

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#4609192 - 11617531423 - Oil Separator Valve - A common part to fail in cold weather - Bremmen Parts - BMW

A common part to fail in cold weather 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4609192
Mfg#:
11617531423
In Stock
ON SALE!
$69.99

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

$67.20 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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings