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BMW 328i Engine Emission Parts

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

Brand:
Meyle - Corporate Logo
ES#:
3672858
Mfg#:
11617501566
Ships on Nov 27, 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 2X Entries For Our 25th Anniversary 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

Fuel Cap Seal

ES#2739135 - 16111179680 - Fuel Cap Seal - Original Equipment Supplier - BMW

For vehicles with production date up to 07/99

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2739135
Mfg#:
16111179680
Ships in 4 Business Days
ON SALE! SAVE 10%
$20.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#2873637 - 11157532649 - Crankcase Ventilation Hose - From oil separator to dipstick tube - Febi - BMW

From oil separator to dipstick tube 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873637
Mfg#:
11157532649
In Stock at Vendor
$19.12

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

$17.04 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
06-15-2026

$5.61 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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873831
Mfg#:
11617501566
Ships on Oct 15, 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 6 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
07-20-2026

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

Crankcase Ventilation Hose

ES#2187556 - 11611432559 - Crankcase Ventilation Hose - From oil separator to valve cover - URO - BMW

From oil separator to valve cover 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187556
Mfg#:
11611432559
Ships in 1 Business Day
$14.99 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 4 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Valve Seperator

ES#4669234 - 11617533400 - PCV Valve Seperator - Commonly referred to as the "oil separator" or PCV - Bremmen Parts - BMW

Commonly referred to as the "oil separator" or PCV 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4669234
Mfg#:
11617533400
In Stock
ON SALE!
$44.99

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

$44.51 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 6 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
07-20-2026

$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 For Our 25th Anniversary 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 4 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
07-20-2026

$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 6 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
07-20-2026

$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 4 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.

$42.99

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

$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 For Our 25th Anniversary 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

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

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Manufacturer names and/or part numbers are used only for identification purposes.

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