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BMW 328i Engine Emission Parts

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Secondary Air Pump Kit - Level 1

ES#2622524 - 11727553056KT2 - Secondary Air Pump Kit - Level 1 - This essential kit includes the secondary air pump, control valve, hoses and hardware to mount pump and valve. - Genuine BMW - BMW

This essential kit includes the secondary air pump, control valve, hoses and hardware to mount pump and valve. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
2622524
Mfg#:
11727553056KT2
Ships in 1-2 days
$1001.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump - Priced Each

ES#37298 - 16137193479 - Leak Detection Pump - Priced Each - Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. - Genuine BMW - BMW MINI

Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/2001

Brand:
Genuine BMW - Corporate Logo
ES#:
37298
Mfg#:
16137193479
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.

$266.99

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

$242.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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

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

Brand:
MTC - Corporate Logo
ES#:
3603434
Mfg#:
11618638014
Ships in 1-2 days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve

ES#4304680 - 11151703484 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" - Bavarian Autosport - BMW

Commonly referred to as the "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304680
Mfg#:
11151703484
Ships on Aug 5, 2026
Auto Notify
ON SALE! SAVE 20%
$38.99

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

$31.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Control Valve

ES#4069996 - 11611312737 - Vacuum Control Valve - Common source of emission related issues - Pierburg - BMW

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

Brand:
Pierburg - Corporate Logo
ES#:
4069996
Mfg#:
11611312737
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vapor Canister Filter

ES#37262 - 16136765755 - Vapor Canister Filter - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
37262
Mfg#:
16136765755
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.

$320.99

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

$291.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve

ES#4304692 - 11617501566 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Bavarian Autosport - BMW

Commonly referred to as the "oil separator" or PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304692
Mfg#:
11617501566
In Stock
ON SALE! SAVE 20%
$32.99

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

$26.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#35966 - 16111184731 - Gas Cap - Complete with sealing gasket - Genuine BMW - BMW

Complete with sealing gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 08/1999

Brand:
Genuine BMW - Corporate Logo
ES#:
35966
Mfg#:
16111184731
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.

$69.99

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

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Pipe With Dust Filter

ES#2993886 - 16137438487 - Vent Pipe With Dust Filter - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2993886
Mfg#:
16137438487
In Stock
9% off MSRP

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

$118.99

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

$107.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

990mm - cure your poor gas mileage by replacing your worn oxygen sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
5376161
Mfg#:
11781427884
In Stock
$289.99

This product was last offered at the strikethrough price on
12-31-2025

$210.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap - Non Locking

ES#35962 - 16111184718 - Gas Cap - Non Locking - Includes sealing gasket - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
35962
Mfg#:
16111184718
In Stock
15% off MSRP

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

$69.99

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

$59.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 1 post-Cat

ES#27274 - 11787545074 - Rear Oxygen Sensor - Bank 1 post-Cat - Fuel control and emissions control sensor - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
27274
Mfg#:
11787545074
Ships in 1-2 days
17% off MSRP

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

$325.99

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

$268.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Pressure Regulator Valve

ES#25780 - 11617533400 - "Cold Climate" 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
Superior performance for both warm and cold climates

Brand:
Genuine BMW - Corporate Logo
ES#:
25780
Mfg#:
11617533400
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.

$119.99

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

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Ventilation Valve Pipe

ES#2135806 - 13907618643 - Fuel Tank Ventilation Valve Pipe - Allows fuel fumes to vent into the engine's intake - Genuine BMW - BMW

Allows fuel fumes to vent into the engine's intake affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2135806
Mfg#:
13907618643
Ships in 1-2 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.

$143.99

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

$133.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Distributor

ES#25494 - 11611440318 - Air Distributor - Located on top of the intake manifold. Includes new o-rings. - Genuine BMW - BMW

Located on top of the intake manifold. Includes new o-rings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25494
Mfg#:
11611440318
Ships in 1-2 days
$127.06 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.

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