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BMW 328i Engine Emission Parts

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Oxygen Sensor - Rear

ES#2992472 - 11787589122 - Oxygen Sensor - Rear - Fuel control and emissions sensor - Bosch - BMW

Fuel control and emissions sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2992472
Mfg#:
11787589122
In Stock at Vendor
$168.99

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

$163.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#4766515 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Bremmen Parts - BMW

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

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766515
Mfg#:
11787545075
In Stock
ON SALE! SAVE 21%
$113.99

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

$90.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#4870454 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - URO - BMW

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4870454
Mfg#:
11781742050
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 1 Post-Cat

ES#3625132 - 11787545074 - Rear Oxygen Sensor - Bank 1 Post-Cat - Fuel control and emissions control sensor - FAE - BMW

Fuel control and emissions control sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
3625132
Mfg#:
11787545074
In Stock
$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Diaphragm Repair Kit

ES#2879184 - 11127588412part - PCV Diaphragm Repair Kit - Repair your faulty PCV valve instead of replacing the entire expensive valve cover. - Vaico - BMW

Repair your faulty PCV valve instead of replacing the entire expensive valve cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2879184
Mfg#:
11127588412PART
Back Ordered
Auto Notify
$123.04

This product was last offered at the strikethrough price on
06-02-2026

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

Oil Separator Kit - Level 1

ES#2586874 - 11151703484KT - Oil Separator Kit - Level 1 - Includes a new separator, hoses, and hardware - Assembled By ECS - BMW

Includes a new separator, hoses, and hardware 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#:
2586874
Mfg#:
11151703484KT
Ships on Aug 31, 2026
Auto Notify
ON SALE! SAVE 25%
$91.96

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

$68.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Ventilation Valve Pipe

ES#4609177 - 13907618643 - Fuel Tank Ventilation Valve Pipe - Allows fuel fumes to vent into the engine's intake - Bremmen Parts - BMW

Allows fuel fumes to vent into the engine's intake affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4609177
Mfg#:
13907618643
In Stock
ON SALE! SAVE 15%
$44.99

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

$38.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Secondary Air Pump

ES#2574862 - 11727553056 - E46 Secondary Air Pump - Located in the right portion of the engine bay, near the shock tower and windshield wiper fluid reservoir - Pierburg - BMW
ECS Tuning recommends this product.

Located in the right portion of the engine bay, near the shock tower and windshield wiper fluid reservoir affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
2574862
Mfg#:
11727553056
Ships in 1-2 days
$328.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Vent Pipe

ES#4759693 - 11127588417 - PCV Vent Pipe - Connects to the PCV outlet on the valve cover - Bremmen Parts - BMW

Connects to the PCV outlet on the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759693
Mfg#:
11127588417
In Stock
ON SALE! SAVE 21%
$63.99

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

$50.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Valve

ES#35479 - 13901433603 - Fuel Tank Breather Valve - Valve between charcoal canister and throttle body - Genuine BMW - BMW

Valve between charcoal canister and throttle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
35479
Mfg#:
13901433603
Ships in 1-2 days
$120.89

This product was last offered at the strikethrough price on
01-07-2026

$120.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

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

Crankcase Pressure Regulator Valve

ES#25703 - 11617501566 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Genuine BMW - BMW

Commonly referred to as the "oil separator" or PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25703
Mfg#:
11617501566
Ships in 1-2 days
9% off MSRP

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

$102.99

This product was last offered at the strikethrough price on
02-18-2026

$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Control Valve (EGR)

ES#26817 - 11727553063 - Air Pump Control Valve (EGR) - Attached to the secondary air pump - Genuine BMW - BMW

Attached to the secondary air pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26817
Mfg#:
11727553063
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.

$194.99

This product was last offered at the strikethrough price on
06-02-2026

$186.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#4870458 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - URO - BMW

Fuel control and emissions control sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4870458
Mfg#:
11787545075
In Stock
$76.99 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
254257
Mfg#:
11747810831
Ships in 5 Business Days
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
06-02-2026

$54.64 USD
Free Shipping
on orders $49 and up
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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.

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