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BMW Engine Emission Parts

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Angle Connector With Heating Element

ES#3603434 - 11618638014 - Angle Connector With Heating Element - Connects PCV line to intake manifold - MTC - BMW

Connects PCV line to intake manifold

Brand:
MTC - Corporate Logo
ES#:
3603434
Mfg#:
11618638014
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Kit - Level 2

ES#2622492 - 11727553056KT1 - Secondary Air Pump Kit - Level 2 - This comprehensive air pump kit includes all lines, valves, pump, and hardware. - Assembled By ECS - BMW

This comprehensive air pump kit includes all lines, valves, pump, and hardware. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date up to 03/2003

Brand:
Assembled By ECS - Corporate Logo
ES#:
2622492
Mfg#:
11727553056KT1
Ships in 9 Business Days
$718.99

This product was last offered at the strikethrough price on
10-22-2026

$717.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CSL Crankcase Vent Hose - AN Lines and Fittings (00-04.5)

ES#4685366 - 043464LA02 - CSL Crankcase Vent Hose - AN Lines and Fittings (00-04.5) - A combination of billet fittings and AN lines for an upgraded and serviceable crankcase vent hose. Attaches between the oil separator and the CSL air box. - Turner Motorsport - BMW

A combination of billet fittings and AN lines for an upgraded and serviceable crankcase vent hose. Attaches between the oil separator and the CSL air box. 10X Entries Into Our F80 M3 Sweepstakes
For Vehicles Fitted with a CSL Intake Plenum

Brand:
Turner Motorsport - Corporate Logo
ES#:
4685366
Mfg#:
043464LA02
In Stock
$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E38 Catalytic Converter Control Unit

ES#28371 - 12141712970 - E38 Catalytic Converter Control Unit - Relays catalyst information to the ECU - Genuine BMW - BMW

Relays catalyst information to the ECU

Brand:
Genuine BMW - Corporate Logo
ES#:
28371
Mfg#:
12141712970
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.

$738.99

This product was last offered at the strikethrough price on
10-24-2026

$714.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N52 Upgraded Silicone CCV Hose (11157522931)

ES#5373987 - 058973LA02 - N52 Upgraded Silicone CCV Hose (11157522931) - Replace your failure-prone plastic breather hose with a durable, long-lasting solution! - Turner Motorsport - BMW

Replace your failure-prone plastic breather hose with a durable, long-lasting solution! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
5373987
Mfg#:
058973LA02
Ships on Apr 16, 2027
$101.99

This product was last offered at the strikethrough price on
06-24-2026

$78.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Service Kit

ES#2825780 - 11617531423KT3 - Oil Separator Service Kit - Includes valve and all necessary hoses - Genuine BMW - BMW

Includes valve and all necessary hoses For vehicles with production date up to 10/2005

Brand:
Genuine BMW - Corporate Logo
ES#:
2825780
Mfg#:
11617531423KT3
Back Ordered
$707.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#3625133 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - FAE - BMW

Fuel control and emissions control sensor

Brand:
FAE - Corporate Logo
ES#:
3625133
Mfg#:
11787545075
Ships in 8 Business Days
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Oxygen Sensor

ES#2720021 - 13627793825 - Genuine BMW Oxygen Sensor - Genuine BMW O2 Sensor - Genuine BMW - BMW

Genuine BMW O2 Sensor Rear Position

Brand:
Genuine BMW - Corporate Logo
ES#:
2720021
Mfg#:
13627793825
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
10-24-2026

$352.99 USD
Free Shipping
on orders $49 and up
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
10-24-2026

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

Oxygen Sensor - Priced Each

ES#2767303 - 11787848482 - Oxygen Sensor - Priced Each - Located before the catalytic converter on the longer downpipe. - Genuine BMW - BMW

Located before the catalytic converter on the longer downpipe. Located in the front upstream position.

Brand:
Genuine BMW - Corporate Logo
ES#:
2767303
Mfg#:
11787848482
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
10-24-2026

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

Vacuum Pipe

ES#25462 - 11611436644 - Vacuum Pipe - Runs from the intake boot to the brake booster check valve vacuum hose - Genuine BMW - BMW

Runs from the intake boot to the brake booster check valve vacuum hose

Brand:
Genuine BMW - Corporate Logo
ES#:
25462
Mfg#:
11611436644
In Stock
2% off MSRP

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

$47.99

This product was last offered at the strikethrough price on
10-24-2026

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Hose with Sucking Jet Pump

ES#2159228 - 13907595191 - Fuel Tank Breather Hose with Sucking Jet Pump - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2159228
Mfg#:
13907595191
Ships in 1-2 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.

$81.00

This product was last offered at the strikethrough price on
10-24-2026

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Truck Series DPF Protector - 500ml / 16.9oz

ES#3999019 - 20258 - Truck Series DPF Protector - 500ml / 16.9oz - Improves engine performance and emissions control - Reduces clogging of the DPF caused by soot as a combustion product - Liqui-Moly - BMW Volkswagen Porsche

Improves engine performance and emissions control - Reduces clogging of the DPF caused by soot as a combustion product 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3999019
Mfg#:
20258
In Stock
39% off MSRP

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

$18.99

This product was last offered at the strikethrough price on
09-13-2026

$11.49 USD
Free Shipping
on orders $49 and up

Oxygen Sensor - Post Cat

ES#4932394 - 11787614322 - Oxygen Sensor - Post Cat - Replace worn out and or malfunctioning O2 sensors to make your vehicles emissions compliant - URO - BMW

Replace worn out and or malfunctioning O2 sensors to make your vehicles emissions compliant 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
4932394
Mfg#:
11787614322
Ships in 2 Business Days
$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CCV Hose

ES#4818519 - 11157642546 - CCV Hose - Notorious for failure on most BMWs. - Bremmen Parts - BMW

Notorious for failure on most BMWs. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818519
Mfg#:
11157642546
In Stock
ON SALE! SAVE 15%
$40.99

This product was last offered at the strikethrough price on
09-16-2026

$34.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Activated charcoal filter

ES#37273 - 16137162350 - Activated charcoal filter - Also known as a "charcoal canister" - Genuine BMW - BMW

Also known as a "charcoal canister"

Brand:
Genuine BMW - Corporate Logo
ES#:
37273
Mfg#:
16137162350
Ships in 1-2 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.

$237.99

This product was last offered at the strikethrough price on
10-24-2026

$229.99 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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