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BMW Engine Emission Parts

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NOx Sensor - Urea Injection

This precision-engineered sensor monitors nitrogen oxide levels in the exhaust stream, providing critical data to the engine management system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meyle - Corporate Logo
ES#:
5456361
Mfg#:
MEX1581
Special Order: No Guaranteed ETA
$291.99 USD
Free Shipping
on orders $49 and up

OEM BMW Engine Air Pump

Common source of emissons related issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
3032195
Mfg#:
11721433959
Special Order: No Guaranteed ETA
$250.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Check Valve

Replace your old malfunctioning valve to get your car emissions compliant again affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
4752478
Mfg#:
11727540472
Special Order: No Guaranteed ETA
$76.99 USD
Free Shipping
on orders $49 and up

Oxygen Sensor - Priced Each

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
4726449
Mfg#:
11781247406
Special Order: No Guaranteed ETA
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Pipe

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

Brand:
Bremmen Parts - Corporate Logo
ES#:
5457613
Mfg#:
11158647962
Ships on Oct 23, 2026
Auto Notify
ON SALE! SAVE 20%
$199.99

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

$159.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose (3-Way Hose)

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

Brand:
Bremmen Parts - Corporate Logo
ES#:
5460610
Mfg#:
11157581815
Ships on Oct 28, 2026
Auto Notify
ON SALE! SAVE 20%
$42.99

This product was last offered at the strikethrough price on
05-29-2026

$34.39 USD
This product is lifetime replacement eligible Lifetime Replacement

OEM Bosch Oxygen Sensor

ES#4316445 - 13627793825 - OEM Bosch Oxygen Sensor - Bosch - BMW

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

Brand:
Bosch - Corporate Logo
ES#:
4316445
Mfg#:
13627793825
Special Order: No Guaranteed ETA
$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#3162576 - 11787557223 - Oxygen Sensor - Bosch - BMW

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

Brand:
Bosch - Corporate Logo
ES#:
3162576
Mfg#:
11787557223
Back Ordered
$238.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2873855 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - Febi - BMW

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873855
Mfg#:
11781742050
Special Order: No Guaranteed ETA
$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#3184296 - 11157840446KT7 - Emissions Service Kit - Everything you need to service your PCV system - Genuine BMW - BMW

Everything you need to service your PCV system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with SMG gearbox and production date from 09/2004

Brand:
Genuine BMW - Corporate Logo
ES#:
3184296
Mfg#:
11157840446KT7
Back Ordered
$720.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#3184293 - 11157840446KT5 - Emissions Service Kit - Everything you need to service your PCV system - Genuine BMW - BMW

Everything you need to service your PCV system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with SMG gearbox and production date up to 09/2004

Brand:
Genuine BMW - Corporate Logo
ES#:
3184293
Mfg#:
11157840446KT5
Back Ordered
$609.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2602547 - 11157840446KT2 - Emissions Service Kit - Everything you need to service your PCV system - Genuine BMW - BMW

Everything you need to service your PCV system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with SMG gearbox and production date from 09/2004

Brand:
Genuine BMW - Corporate Logo
ES#:
2602547
Mfg#:
11157840446KT2
Back Ordered
$720.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Pressure Regulator Valve

ES#4327299 - 11617533400 - "Cold Climate" Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" - Meyle - BMW

Commonly referred to as the "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4327299
Mfg#:
11617533400
Special Order: No Guaranteed ETA
$69.99 USD
Free Shipping
on orders $49 and up

Upper Oil Separator Vent Tube

ES#3672460 - 11617504535 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold. Made in Germany. - Meyle - BMW

Runs from the top of the oil separator up to intake manifold. Made in Germany. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 01/2000

Brand:
Meyle - Corporate Logo
ES#:
3672460
Mfg#:
11617504535
Special Order: No Guaranteed ETA
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#4487457 - 11787539124 - Oxygen Sensor - Bank 2 Sensor - Meyle - BMW

Bank 2 Sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For Vehicles with Automatic Transmission

Brand:
Meyle - Corporate Logo
ES#:
4487457
Mfg#:
11787539124
Special Order: No Guaranteed ETA
$139.99

This product was last offered at the strikethrough price on
12-29-2025

$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Extraction Line

ES#3194893 - 11157537701 - Extraction Line - Connectes to the oil separator - Original Equipment Supplier - BMW

Connectes to the oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
3194893
Mfg#:
11157537701
Back Ordered
$71.99

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

$69.99 USD
Free Shipping
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

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Manufacturer names and/or part numbers are used only for identification purposes.

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