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BMW 328i Engine Emission Parts

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Oxygen Sensor - Front

ES#2992470 - 11787589121 - Oxygen Sensor - Front - Fuel control and emissions sensor - Bosch - BMW

Fuel control and emissions sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2992470
Mfg#:
11787589121
In Stock
ON SALE! SAVE 34%
$197.99

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

$131.43 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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759693
Mfg#:
11127588417
Ships in 5 Business Days
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

Crankcase Vent Hose

ES#3173528 - 11157559528 - Crankcase Vent Hose - For PCV system - Vaico - BMW
ECS Tuning recommends this product.

For PCV system We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3173528
Mfg#:
11157559528
In Stock at Vendor
$86.99

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

$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#252546 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Bosch - BMW
ECS Tuning recommends this product.

2 Required in each application 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
252546
Mfg#:
11781433940
In Stock
$147.99 USD
Free Shipping
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. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2879184
Mfg#:
11127588412PART
In Stock
$123.99

This product was last offered at the strikethrough price on
07-08-2026

$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

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

Fuel control and emissions control sensor 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

Oxygen Sensor - Priced Each

ES#5376161 - 11781427884 - Oxygen Sensor - Priced Each - 990mm - cure your poor gas mileage by replacing your worn oxygen sensors - Pierburg - BMW

990mm - cure your poor gas mileage by replacing your worn oxygen sensors

Brand:
Pierburg - Corporate Logo
ES#:
5376161
Mfg#:
11781427884
In Stock
$279.99

This product was last offered at the strikethrough price on
04-01-2026

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

Vacuum Hose

ES#2100534 - 11657588771 - Vacuum Hose - Runs from the valve cover to the vacuum pump - Genuine BMW - BMW

Runs from the valve cover to the vacuum pump

Brand:
Genuine BMW - Corporate Logo
ES#:
2100534
Mfg#:
11657588771
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.

$44.99

This product was last offered at the strikethrough price on
07-06-2026

$42.99 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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586874
Mfg#:
11151703484KT
Ships on Oct 5, 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

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

Brand:
Genuine BMW - Corporate Logo
ES#:
254257
Mfg#:
11747810831
In Stock
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
07-20-2026

$54.64 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

Brand:
Genuine BMW - Corporate Logo
ES#:
35479
Mfg#:
13901433603
Ships in 3 Business Days
$120.88 USD
Free Shipping
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

Brand:
Genuine BMW - Corporate Logo
ES#:
25703
Mfg#:
11617501566
Ships in 3 Business Days
6% 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

$96.99 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

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

$194.99

This product was last offered at the strikethrough price on
07-20-2026

$190.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Activated Charcoal Canister

ES#37080 - 16131183906 - Activated Charcoal Canister - Also known as a charcoal filter - Genuine BMW - BMW

Also known as a charcoal filter

Brand:
Genuine BMW - Corporate Logo
ES#:
37080
Mfg#:
16131183906
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.

$369.99

This product was last offered at the strikethrough price on
07-20-2026

$357.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#3194895 - 11617561408KT4 - Emissions Service Kit - services the PCV - Assembled By ECS - BMW

services the PCV 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3194895
Mfg#:
11617561408KT4
In Stock
ON SALE! SAVE 21%
$128.99

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

$102.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear

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

Fuel control and emissions sensor 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
ON SALE! SAVE 36%
$168.99

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

$108.63 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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