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 E39 Engine Emission Parts

Sort By
Filter By
Return to Top

E39 M5 Right Oil Separator Return Hose

ES#19546 - 11151407344 - E39 M5 Right Oil Separator Return Hose - Connects to the bottom of the oil separator - Genuine BMW - BMW

Connects to the bottom of the oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Found on cylinders 1-4

Brand:
Genuine BMW - Corporate Logo
ES#:
19546
Mfg#:
11151407344
Ships in 4 Business Days
7% off MSRP

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

$14.99

This product was last offered at the strikethrough price on
06-04-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank Case Vent Valve Installation Kit

ES#2677888 - 11611729728KTI - Crank Case Vent Valve Installation Kit - Includes screws and PCV valve gasket for proper install - Assembled By ECS - BMW

Includes screws and PCV valve gasket for proper install affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2677888
Mfg#:
11611729728KTI
Ships in 1 day
$31.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2895524 - 11781247406 - Oxygen Sensor - Priced Each - 2 required in each application - Vemo - BMW

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/1998

Brand:
Vemo - Corporate Logo
ES#:
2895524
Mfg#:
11781247406
Ships on Sep 29, 2026
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank Case Vent Valve

ES#2534501 - 11617501563 - Crank Case Vent Valve - Also known as a PCV or CCV - URO - BMW

Also known as a PCV or CCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat! Common signs of failure include smoking on startup, rough idle, and sometimes a "Jetsons" noise from underhood at idle.

Brand:
URO - Corporate Logo
ES#:
2534501
Mfg#:
11617501563
In Stock
$52.99

This product was last offered at the strikethrough price on
03-02-2026

$37.99 USD
Free Shipping
on orders $49 and up

Oil Separator Kit - Level 2

ES#2731702 - 11151703484KT3 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
2731702
Mfg#:
11151703484KT3
Back Ordered
Auto Notify
ON SALE! SAVE 20%
$137.99

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

$109.78 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Separator Hose Kit

ES#3108206 - 012178ECS01KT - Oil Separator Hose Kit - Assembled By ECS - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3108206
Mfg#:
012178ECS01KT
Ships on Jul 6, 2026
Auto Notify
ON SALE! SAVE 25%
$143.99

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

$108.71 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV System Oil Separator

ES#3188730 - 46103 - PCV System Oil Separator - Vacuum leaks and loss of power could mean that its time for a new cpvc valve. - Dorman - BMW

Vacuum leaks and loss of power could mean that its time for a new cpvc valve. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3188730
Mfg#:
46103
Ships in 4 Business Days
$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve

ES#2570283 - 11721707619 - EGR Valve - Be sure to pass emission checks with a new check valve - Pierburg - BMW

Be sure to pass emission checks with a new check valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1998

Brand:
Pierburg - Corporate Logo
ES#:
2570283
Mfg#:
11721707619
Ships on Jul 28, 2026
Auto Notify
$104.99 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37111
Mfg#:
16131184242
Ships in 7 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.

$105.99

This product was last offered at the strikethrough price on
06-04-2026

$101.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 Hose

ES#3673408 - 11157532629 - Crankcase Vent Hose - From oil separator to dipstick tube - Bremmen Parts - BMW

From oil separator to dipstick tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673408
Mfg#:
11157532629
In Stock
ON SALE! SAVE 18%
$10.99

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

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Mount - Priced Each

ES#3559949 - 11727559515 - Secondary Air Pump Mount - Priced Each - 3 required per car - Hamburg Tech - BMW

3 required per car affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3559949
Mfg#:
11727559515
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Check Valve

ES#4818552 - 1168000378 - Vacuum Check Valve - Common source of emission related issues - Bremmen Parts - BMW Mercedes Benz

Common source of emission related issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818552
Mfg#:
1168000378
In Stock
ON SALE! SAVE 35%
$4.99

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

$3.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oxygen Sensor Bung - Priced Each

ES#5051 - ATP-FLS-022 - Universal Oxygen Sensor Bung - Priced Each - Stainless steel weld-in nut for any O2 sensor - ATP - Audi BMW Volkswagen

Stainless steel weld-in nut for any O2 sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 6 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank Case Breather Pipe

ES#2581071 - 11151702012 - Crank Case Breather Pipe - Connects crank case vent to oil separator, O-ring included - Kayser - BMW

Connects crank case vent to oil separator, O-ring included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/1998

Brand:
Kayser - Corporate Logo
ES#:
2581071
Mfg#:
11151702012
Ships in 1 day
$33.99

This product was last offered at the strikethrough price on
04-16-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen sensor

ES#3625112 - 11781742051 - Oxygen sensor - Rear, after catalyst - FAE - BMW

Rear, after catalyst affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
3625112
Mfg#:
11781742051
Ships on Jun 29, 2026
$86.99 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