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BMW E90 Engine Emission Parts

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Crankcase Ventilation Return Pipe

ES#19650 - 11157567801 - Crankcase Ventilation Return Pipe - Located under intake manifold - Genuine BMW - BMW

Located under 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

Brand:
Genuine BMW - Corporate Logo
ES#:
19650
Mfg#:
11157567801
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.

$184.99

This product was last offered at the strikethrough price on
10-25-2026

$176.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Bank 1 Pre-Cat

ES#3625139 - 11787558055 - Front Oxygen Sensor - Bank 1 Pre-Cat - Fuel control and emissions control sensor - FAE - BMW

Fuel control and emissions control sensor 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:
FAE - Corporate Logo
ES#:
3625139
Mfg#:
11787558055
Ships on Nov 12, 2026
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Tool Kit - N53/N54/N55

The ultimate tool kit to service your vacuum pumps 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:
Baum Tools - Corporate Logo
ES#:
4414029
Mfg#:
B118530
Ships in 5 Business Days
$353.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Oxygen Sensor - Priced Each

ES#27262 - 11787537984 - E9X M3 Oxygen Sensor - Priced Each - Located on the secondary catalytic converters, 2 required - Genuine BMW - BMW

Located on the secondary catalytic converters, 2 required 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#:
27262
Mfg#:
11787537984
Ships in 1-2 days
13% off MSRP

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

$406.99

This product was last offered at the strikethrough price on
10-25-2026

$352.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - bank 1 Pre-Cat

ES#27293 - 11787558055 - Front Oxygen Sensor - bank 1 Pre-Cat - Fuel control and emissions control sensor - Genuine BMW - BMW

Fuel control and emissions control sensor 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#:
27293
Mfg#:
11787558055
Ships in 1-2 days
13% off MSRP

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

$406.99

This product was last offered at the strikethrough price on
10-25-2026

$352.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Bank 2 Pre-Cat

ES#27296 - 11787558087 - Front Oxygen Sensor - Bank 2 Pre-Cat - Fuel control and emissions sensor - Genuine BMW - BMW

Fuel control and emissions sensor 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#:
27296
Mfg#:
11787558087
Ships in 1-2 days
13% off MSRP

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

$406.99

This product was last offered at the strikethrough price on
10-25-2026

$352.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Bank 2 Pre-Cat

ES#27294 - 11787558073 - Oxygen Sensor - Bank 2 Pre-Cat - Located in the front position of the exhaust manifold - Genuine BMW - BMW

Located in the front position of the exhaust 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

Brand:
Genuine BMW - Corporate Logo
ES#:
27294
Mfg#:
11787558073
Ships in 1-2 days
13% off MSRP

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

$406.99

This product was last offered at the strikethrough price on
10-25-2026

$352.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Upstream Catalytic Converter

ES#2138052 - 11787596924 - Oxygen Sensor - Upstream Catalytic Converter - 740mm. Front O2 sensor/Lambda probe - Genuine BMW - BMW

740mm. Front O2 sensor/Lambda probe 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#:
2138052
Mfg#:
11787596924
Ships in 1-2 days
13% off MSRP

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

$406.99

This product was last offered at the strikethrough price on
10-25-2026

$352.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2681738 - 16117222391 - Gas Cap - Original equipment gas cap - while supplies last! - Original Equipment Supplier - BMW MINI

Original equipment gas cap - while supplies last! 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#:
2681738
Mfg#:
16117222391
Ships on Mar 31, 2027
$23.99

This product was last offered at the strikethrough price on
10-13-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank Case Vent Hose

ES#4687916 - 11127590163 - Crank Case Vent Hose - Connects to the CCV on the valve cover - Rein - BMW

Connects to the CCV on the valve cover 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!
For vehicles without blow by heater

Brand:
Rein - Corporate Logo
ES#:
4687916
Mfg#:
11127590163
In Stock
$26.47 USD
Free Shipping
on orders $49 and up

Bleeder Valve With Gasket

ES#4872001 - 11127809512 - Bleeder Valve With Gasket - Febi - 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
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4872001
Mfg#:
11127809512
Ships on Jan 22, 2027
$44.99

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

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

Crank Case Vent Hose

ES#25944 - 11617838288 - Crank Case Vent Hose - Part of PCV system - Genuine BMW - BMW

Part of PCV 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#:
25944
Mfg#:
11617838288
In Stock
6% off MSRP

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

$71.99

This product was last offered at the strikethrough price on
10-25-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#3570674 - 13627801158 - Oxygen Sensor - Cure your poor fuel mileage by replacing your worn oxygen sensors - Bosch - BMW

Cure your poor fuel mileage by replacing your worn oxygen sensors 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:
Bosch - Corporate Logo
ES#:
3570674
Mfg#:
13627801158
Ships in 1 Business Day
$235.99

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

$166.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#3673425 - 11157522931 - Crankcase Vent Hose - From oil separator to valve cover - Bremmen Parts - BMW

From oil separator to valve cover 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#:
3673425
Mfg#:
11157522931
Ships on Apr 12, 2027
ON SALE! SAVE 20%
$40.99

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

$32.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Catch Can O-ring

ES#3097721 - N1.50X051 - ECS Catch Can O-ring - Replacement ECS catch can O-ring - ECS - Audi BMW Volkswagen MINI

Replacement ECS catch can O-ring 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:
ECS - Corporate Logo
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE! SAVE 25%
$5.99

This product was last offered at the strikethrough price on
06-13-2026

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flapper Delete Fitting N54

ES#3617499 - VTT-FLAPPER-DELE - Flapper Delete Fitting N54 - Ditch the PCV flapper with this valve from Vargas. - Vargas Turbo Technologies - BMW

Ditch the PCV flapper with this valve from Vargas. 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

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
3617499
Mfg#:
VTT-FLAPPER-DELE
Ships in 10 Business Days
$57.99 USD
Free Shipping
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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