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BMW E90 Engine Emission Parts

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AdBlue/Diesel Emissions Fluid - 1/2 Gallon

ES#258160 - 83190441139 - AdBlue/Diesel Emissions Fluid - 1/2 Gallon - Used in the diesel urea tanks - Genuine BMW - BMW Volkswagen

Used in the diesel urea tanks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
258160
Mfg#:
83190441139
In Stock
$26.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Bank 2 Pre-Cat

ES#3031908 - 11787558073 - Oxygen Sensor - Bank 2 Pre-Cat - Located in the front position of the exhaust manifold - Bosch - BMW

Located in the front position of the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3031908
Mfg#:
11787558073
In Stock
$250.99

This product was last offered at the strikethrough price on
04-22-2026

$170.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 1 Post-Cat

ES#2580858 - 11787545074 - Rear Oxygen Sensor - Bank 1 Post-Cat - Fuel control and emissions control sensor - Bosch - BMW

Fuel control and emissions control sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2580858
Mfg#:
11787545074
In Stock
$228.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VTT Complete N54 Coolant Hose Kit - Blue

ES#4475785 - VTT-N54-COOLANTB - VTT Complete N54 Coolant Hose Kit - Blue - Coolant hose that last longer than OEM! - Vargas Turbo Technologies - BMW

Coolant hose that last longer than OEM! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4475785
Mfg#:
VTT-N54-COOLANTB
In Stock
$464.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 Upgraded Crank Case Vent Hose

ES#4905521 - 018481LA02 - N55 Upgraded Crank Case Vent Hose - Your last ccv hose! Upgraded silicone crank case hose with new OE crank case and valve cover fittings and new o-rings. - ECS - BMW

Your last ccv hose! Upgraded silicone crank case hose with new OE crank case and valve cover fittings and new o-rings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4905521
Mfg#:
018481LA02
Ships on Jun 23, 2026
Auto Notify
ON SALE! SAVE 40%
$82.99

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

$49.43 USD
Free Shipping

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#2580859 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Bosch - BMW

Fuel control and emissions control sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2580859
Mfg#:
11787545075
In Stock
$137.99

This product was last offered at the strikethrough price on
04-25-2026

$137.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Environmental Air Catalyst (EAC) Sensor

ES#4781504 - 17117537292R - Environmental Air Catalyst (EAC) Sensor - Found on the back side of the radiator - URO - BMW

Found on the back side of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For SULEV Vehicles Equipped with the N51 Engine Only

Brand:
URO - Corporate Logo
ES#:
4781504
Mfg#:
17117537292R
In Stock
$271.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Kit - Carbon Fiber

ES#2500608 - MM0CCCF - Universal Catch Can Kit - Carbon Fiber - Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. - Mishimoto - Audi BMW Volkswagen MINI

Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2500608
Mfg#:
MM0CCCF
In Stock
$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Charcoal Filter

ES#37275 - 16137163596 - Charcoal Filter - Aids in emissions reduction - Genuine BMW - BMW

Aids in emissions reduction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37275
Mfg#:
16137163596
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.

$433.99

This product was last offered at the strikethrough price on
06-04-2026

$391.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AdBlue DEF Fluid - 10 Liters

ES#4773177 - 000989980911 - AdBlue DEF Fluid - 10 Liters - Diesel exhaust fluid - Genuine Mercedes Benz - Audi BMW Volkswagen Mercedes Benz

Diesel exhaust fluid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4773177
Mfg#:
000989980911
In Stock
7% off MSRP

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

$59.00

This product was last offered at the strikethrough price on
01-06-2026

$54.99 USD
Free Shipping
on orders $49 and up

Blow-By Vent Hose

ES#4069279 - 11157553949 - Blow-By Vent Hose - For PCV system - Rein - BMW

For PCV system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069279
Mfg#:
11157553949
In Stock
$40.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank case vent hose

ES#1906469 - 11127584128 - Crank case vent hose - Connects to the CCV on the valve cover - Genuine BMW - BMW

Connects to the CCV on the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1906469
Mfg#:
11127584128
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.

$55.68

This product was last offered at the strikethrough price on
03-04-2026

$54.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Downstream Catalytic Converter

ES#3031909 - 11787589475 - Oxygen Sensor - Downstream Catalytic Converter - 690mm. Rear O2 sensor/Lambda probe - Bosch - BMW
ECS Tuning recommends this product.

690mm. Rear O2 sensor/Lambda probe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3031909
Mfg#:
11787589475
In Stock
$223.99

This product was last offered at the strikethrough price on
04-30-2026

$172.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2702773 - 16117222391 - Gas Cap - Complete with sealing gasket and tether. - Rein - BMW MINI

Complete with sealing gasket and tether. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2702773
Mfg#:
16117222391
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Oxygen Sensor - Priced Each

ES#2628626 - 11787537984 - E9X M3 Oxygen Sensor - Priced Each - Located on the catalytic converters, 2 required - Bosch - BMW
ECS Tuning recommends this product.

Located on the catalytic converters, 2 required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2628626
Mfg#:
11787537984
In Stock
$180.99

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

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit

ES#2918376 - 003779ECS06KT - ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit - Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can - ECS - Audi BMW Volkswagen MINI

Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2918376
Mfg#:
003779ECS06KT
In Stock
ON SALE! SAVE 25%
$93.99

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

$70.29 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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