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BMW 328i Engine Emission Parts

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Pressure Hose

ES#26838 - 11727557910 - Pressure Hose - Connects the air pump to the cold start valve. - Genuine BMW - BMW

Connects the air pump to the cold start valve. This fits the N51 SULEV Engine Only

Brand:
Genuine BMW - Corporate Logo
ES#:
26838
Mfg#:
11727557910
Ships in 1-2 days
5% off MSRP

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

$61.99

This product was last offered at the strikethrough price on
09-04-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve

ES#3672858 - 11617501566 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Meyle - BMW

Commonly referred to as the "oil separator" or PCV 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3672858
Mfg#:
11617501566
Ships on Sep 23, 2026
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#4487449 - 11781247406 - Oxygen Sensor - Priced Each - 2 required in each application - Meyle - BMW

2 required in each application 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4487449
Mfg#:
11781247406
Back Ordered
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#2813540 - 11617531423 - Oil Separator Valve - A common part to fail in cold weather - Hamburg Tech - BMW

A common part to fail in cold weather We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813540
Mfg#:
11617531423
Ships in 1 Business Day
ON SALE! SAVE 10%
$59.99

This product was last offered at the strikethrough price on
09-03-2026

$53.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Valve Gasket - Priced Each

ES#2602997 - 11727506214 - Secondary Air Pump Valve Gasket - Priced Each - Goes between the valve and intake tube - Victor Reinz - BMW

Goes between the valve and intake tube

Brand:
Victor Reinz - Corporate Logo
ES#:
2602997
Mfg#:
11727506214
In Stock
ON SALE!
$7.30

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

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CCV Hose O ring

ES#2537099 - 11127605329 - CCV Hose O ring - Seals the bottom of the CCV hose - Genuine BMW - BMW

Seals the bottom of the CCV hose

Brand:
Genuine BMW - Corporate Logo
ES#:
2537099
Mfg#:
11127605329
Ships in 1-2 days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Holder - Priced Each

ES#27264 - 11787539016 - Oxygen Sensor Holder - Priced Each - Used to secure the oxygen sensor harness - Genuine BMW - BMW

Used to secure the oxygen sensor harness

Brand:
Genuine BMW - Corporate Logo
ES#:
27264
Mfg#:
11787539016
In Stock
ON SALE!
$5.99

This product was last offered at the strikethrough price on
08-23-2026

$5.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve

ES#2873831 - 11617501566 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Febi - BMW

Commonly referred to as the "oil separator" or PCV We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873831
Mfg#:
11617501566
Ships on Dec 3, 2026
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Pressure Hose

ES#26742 - 11721744247 - Air Pump Pressure Hose - From pump to the combi valve - Genuine BMW - BMW

From pump to the combi valve

Brand:
Genuine BMW - Corporate Logo
ES#:
26742
Mfg#:
11721744247
Ships in 3 Business Days
2% off MSRP

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

$45.99

This product was last offered at the strikethrough price on
09-04-2026

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Air Pump Bracket

ES#26701 - 11721715273 - Lower Air Pump Bracket - Used to mount the air pump - Genuine BMW - BMW

Used to mount the air pump

Brand:
Genuine BMW - Corporate Logo
ES#:
26701
Mfg#:
11721715273
Ships in 3 Business Days
2% 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
09-04-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#2762346 - 11617533398 - Crankcase Ventilation Hose - From oil separator to valve cover - URO - BMW

From oil separator to valve cover 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2762346
Mfg#:
11617533398
Ships in 1 Business Day
$21.99 USD
Free Shipping
on orders $49 and up

Return Pipe

ES#19631 - 11157520035 - Return Pipe - Runs from the intake manifold back to connecting hose - Genuine BMW - BMW

Runs from the intake manifold back to connecting hose For vehicles with production date from 11/1998 up to production date 01/2000

Brand:
Genuine BMW - Corporate Logo
ES#:
19631
Mfg#:
11157520035
Ships in 1-2 days
2% off MSRP

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

$43.99

This product was last offered at the strikethrough price on
09-04-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Breather Line

ES#35494 - 13901437611 - Fuel Breather Line - Runs from breather valve to the charcoal canister - Genuine BMW - BMW

Runs from breather valve to the charcoal canister

Brand:
Genuine BMW - Corporate Logo
ES#:
35494
Mfg#:
13901437611
Ships in 2 Business Days
2% off MSRP

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

$43.99

This product was last offered at the strikethrough price on
09-04-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#25493 - 11611440317 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold - Genuine BMW - BMW

Runs from the top of the oil separator up to intake manifold For vehicles with production date from 11/1998 up to production date 01/2000

Brand:
Genuine BMW - Corporate Logo
ES#:
25493
Mfg#:
11611440317
Ships in 1-2 days
2% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
09-04-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mounting Grommet Seal - Priced Each

ES#4316515 - 13411733217 - Mounting Grommet Seal - Priced Each - Rubber grommet that helps hold oil separator or Idle Control Valve - Bremmen Parts - BMW

Rubber grommet that helps hold oil separator or Idle Control Valve 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316515
Mfg#:
13411733217
Back Ordered
Auto Notify
ON SALE! SAVE 17%
$9.99

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

$8.25 USD
Free Shipping
on orders $49 and up

"Cold Climate" Crankcase Pressure Regulator Valve

ES#2681698 - 11617533400 - "Cold Climate" Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - URO - BMW

Commonly referred to as the "oil separator" or PCV 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Superior performance for both warm and cold climates

Brand:
URO - Corporate Logo
ES#:
2681698
Mfg#:
11617533400
Ships in 1 Business Day
$70.99

This product was last offered at the strikethrough price on
04-10-2026

$40.99 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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