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BMW E90 Engine Emission Parts

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Rear Oxygen Sensor - Bank 2 Post-Cat

ES#4766515 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Bremmen Parts - BMW

Fuel control and emissions control sensor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766515
Mfg#:
11787545075
In Stock
ON SALE! SAVE 21%
$113.99

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

$90.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Oxygen Sensor - Black

ES#2226210 - 11787539125 - E9X M3 Oxygen Sensor - Black - Located on the catalytic converters - Bosch - BMW
ECS Tuning recommends this product.

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

Brand:
Bosch - Corporate Logo
ES#:
2226210
Mfg#:
11787539125
In Stock
$155.99

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

$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Downstream Catalytic Converter

ES#4766517 - 11787589475 - Oxygen Sensor - Downstream Catalytic Converter - 690mm. Rear O2 sensor/Lambda probe - Bremmen Parts - BMW

690mm. Rear O2 sensor/Lambda probe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766517
Mfg#:
11787589475
In Stock
ON SALE! SAVE 20%
$127.99

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

$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Ventilation Valve Pipe

ES#4609177 - 13907618643 - Fuel Tank Ventilation Valve Pipe - Allows fuel fumes to vent into the engine's intake - Bremmen Parts - BMW

Allows fuel fumes to vent into the engine's intake 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4609177
Mfg#:
13907618643
In Stock
ON SALE! SAVE 15%
$44.99

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

$38.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Blow-By Vent Hose

ES#19642 - 11157553949 - Blow-By Vent Hose - For PCV system - Genuine BMW - BMW

For PCV system

Brand:
Genuine BMW - Corporate Logo
ES#:
19642
Mfg#:
11157553949
In Stock
4% off MSRP

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

$89.95

This product was last offered at the strikethrough price on
03-08-2026

$85.92 USD
Free Shipping
on orders $49 and up
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!

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2681738
Mfg#:
16117222391
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank case vent hose

ES#4151169 - 11127584128 - Crank case vent hose - Connects to the CCV on the valve cover - Rein - BMW

Connects to the CCV on the valve cover 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151169
Mfg#:
11127584128
In Stock
$57.99

This product was last offered at the strikethrough price on
03-25-2026

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#3173528 - 11157559528 - Crankcase Vent Hose - For PCV system - Vaico - BMW
ECS Tuning recommends this product.

For PCV system We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3173528
Mfg#:
11157559528
In Stock at Vendor
$86.99

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

$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Filler Cap - Priced Each

ES#4135481 - 16117470341 - Filler Cap - Priced Each - Direct replacement from BMW! - Genuine BMW - BMW MINI

Direct replacement from BMW!

Brand:
Genuine BMW - Corporate Logo
ES#:
4135481
Mfg#:
16117470341
In Stock
$35.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DEF Funnel - Straight Tube

ES#4040581 - 029611SCH01A - DEF Funnel - Straight Tube - Use funnel to properly add AdBlue to your car with out spilling. Angled funnel also available: ES4040586 - Schwaben - BMW Volkswagen
ECS Tuning recommends this product.

Use funnel to properly add AdBlue to your car with out spilling. Angled funnel also available: ES4040586 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4040581
Mfg#:
029611SCH01A
In Stock
ON SALE! SAVE 15%
$39.99

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

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diesel Particulate Filter Cleaning Fluid - 1 Liter

ES#3220402 - 20110 - Diesel Particulate Filter Cleaning Fluid - 1 Liter - Used with Liqui-Moly's Pro-Line DPF Purge Fluid and Spray Gun to help restore DPF efficiency and operation. - Liqui-Moly - Audi BMW

Used with Liqui-Moly's Pro-Line DPF Purge Fluid and Spray Gun to help restore DPF efficiency and operation. 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3220402
Mfg#:
20110
In Stock
25% off MSRP

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

$50.99

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

$37.99 USD
Free Shipping
on orders $49 and up

VTT Modular PCV/Catch Can (Ready to install kits)

ES#4424289 - VTT-OCC-2x1 - VTT Modular PCV/Catch Can (Ready to install kits) - Dual catch can with a VTA breather, dual drain valves, and banjo fittings - Vargas Turbo Technologies - BMW

Dual catch can with a VTA breather, dual drain valves, and banjo fittings 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4424289
Mfg#:
VTT-OCC-2X1
Ships on Aug 5, 2026
$593.99 USD
Free Shipping

DEF Funnel - Angled Tube

ES#4040586 - 029612SCH01A - DEF Funnel - Angled Tube - Use funnel to properly add AdBlue to your car with out spilling. Straight funnel also available: ES4040581 - Schwaben - BMW Volkswagen
ECS Tuning recommends this product.

Use funnel to properly add AdBlue to your car with out spilling. Straight funnel also available: ES4040581 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4040586
Mfg#:
029612SCH01A
In Stock
ON SALE! SAVE 25%
$40.99

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

$30.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#4870458 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - URO - BMW

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

Brand:
URO - Corporate Logo
ES#:
4870458
Mfg#:
11787545075
In Stock
$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor/Lambda Probe

ES#5374601 - 13628589846 - Oxygen Sensor/Lambda Probe - Length = 915MM - Bremmen Parts - BMW

Length = 915MM 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374601
Mfg#:
13628589846
Ships on Oct 15, 2026
Auto Notify
ON SALE! SAVE 20%
$418.99

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

$334.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Positive Crankcase Ventilation (PCV) Valve

ES#25923 - 11617836553 - Positive Crankcase Ventilation (PCV) Valve - Clear codes & keep your emissions system working properly - Genuine BMW - BMW

Clear codes & keep your emissions system working properly

Brand:
Genuine BMW - Corporate Logo
ES#:
25923
Mfg#:
11617836553
In Stock
14% off MSRP

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

$63.76

This product was last offered at the strikethrough price on
06-15-2026

$55.03 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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