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BMW Engine Emission Parts

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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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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
10-27-2026

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

E53 Oil Separator

ES#2855427 - 11151705237 - E53 Oil Separator - Critical crankcase ventilation cyclone separator - great replacement or custom install! - Febi - BMW

Critical crankcase ventilation cyclone separator - great replacement or custom install! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2855427
Mfg#:
11151705237
Ships in 1 Business Day
$21.99

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

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Return Pipe

ES#60963 - 34321159289 - Return Pipe - Genuine BMW - BMW

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
60963
Mfg#:
34321159289
Ships on Nov 13, 2026
5% off MSRP

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

$21.99

This product was last offered at the strikethrough price on
10-27-2026

$20.99 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
27264
Mfg#:
11787539016
In Stock
Limited Qty Sale
14% off MSRP

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

$6.99

This product was last offered at the strikethrough price on
10-27-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump - Pressure Hose

ES#26656 - 11721435456 - Secondary Air Pump - Pressure Hose - Located in the drivers side wheel well - Genuine BMW - BMW

Located in the drivers side wheel well Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
26656
Mfg#:
11721435456
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.

$41.99

This product was last offered at the strikethrough price on
10-27-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Hose

ES#26914 - 11731714217 - Vacuum Hose - Attached to the vacuum valve and the vacuum pipe that leads to the secondary air pump - Genuine BMW - BMW

Attached to the vacuum valve and the vacuum pipe that leads to the secondary air pump Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
26914
Mfg#:
11731714217
Back Ordered
2% off MSRP

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

$41.99

This product was last offered at the strikethrough price on
10-27-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#4140355 - 11151705272 - Oil Separator Valve - Connects to the vent tube which is attached to the PCV valve - Febi - BMW

Connects to the vent tube which is attached to the PCV valve Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4140355
Mfg#:
11151705272
In Stock
Limited Qty Sale
$48.59

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve

ES#2813315 - 11151703484 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" - Hamburg Tech - BMW

Commonly referred to as the "oil separator" Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813315
Mfg#:
11151703484
Ships in 2 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Seperator

ES#4690691 - 11151406788 - Oil Seperator - Critical crankcase ventilation cyclone separator - great replacement or custom install! - Hamburg Tech - BMW

Critical crankcase ventilation cyclone separator - great replacement or custom install! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4690691
Mfg#:
11151406788
Ships in 2 Business Days
$39.99 USD
Free Shipping
on orders $49 and up

Engine Ventilation hose

Connects the crankcase vent pipe to the valve cover Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Burgaflex - Corporate Logo
ES#:
4349488
Mfg#:
11157646087
Ships in 9 Business Days
$52.99

This product was last offered at the strikethrough price on
09-16-2026

$39.99 USD
Free Shipping

Air Pump Bracket

ES#26735 - 11721742479 - Air Pump Bracket - Fastens the air pump to the inner sheet metal of the engine bay. - Genuine BMW - BMW

Fastens the air pump to the inner sheet metal of the engine bay. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
26735
Mfg#:
11721742479
Special Order: No Guaranteed ETA
2% off MSRP

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

$40.99

This product was last offered at the strikethrough price on
10-27-2026

$39.99 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

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2739135
Mfg#:
16111179680
Ships in 4 Business Days
$20.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clamp

ES#19586 - 11151726340 - Clamp - Usually found in the vacuum control system - Genuine BMW - BMW MINI

Usually found in the vacuum control system Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
19586
Mfg#:
11151726340
Ships in 1-2 days
$4.99 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316515
Mfg#:
13411733217
Back Ordered
ON SALE! SAVE 10%
$10.99

This product was last offered at the strikethrough price on
10-08-2026

$9.89 USD
Free Shipping
on orders $49 and up

Gas Cap

ES#2135809 - 16117222392 - Gas Cap - Complete with sealing gasket - Genuine BMW - BMW

Complete with sealing gasket Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
2135809
Mfg#:
16117222392
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.

$40.99

This product was last offered at the strikethrough price on
10-27-2026

$38.99 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.

Other BMW Engine Emission Parts

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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