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BMW E90 335i N54 3.0L

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BMW E90 335i N54 3.0L Engine Emission Parts

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

Catch can kit

ES#3543503 - 20-0373 - Catch can kit - Includes mounting bracket, hoses and fitting for a complete install - Radium Engineering - BMW

Includes mounting bracket, hoses and fitting for a complete install affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Radium Engineering - Corporate Logo
ES#:
3543503
Mfg#:
20-0373
In Stock
$259.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Baffled Oil Catch Can

ES#2918629 - MMBCCN5406CBE - N54 Baffled Oil Catch Can - Keep your engine clean & free of oil deposits - Mishimoto - BMW

Keep your engine clean & free of oil deposits affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2918629
Mfg#:
MMBCCN5406CBE
In Stock
$253.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Cap

ES#4643099 - MMR03-1501 - Billet Fuel Cap - Upgraded fuel cap that adds the MMX style - MMX Performance - BMW MINI

Upgraded fuel cap that adds the MMX style affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MMX Performance - Corporate Logo
ES#:
4643099
Mfg#:
MMR03-1501
Back Ordered
$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Vaccum Relief Valve

ES#4142096 - VTT-VAC-RELIEF - Billet Vaccum Relief Valve - Adjust the vacuum pressure in your crankcase - Vargas Turbo Technologies - BMW

Adjust the vacuum pressure in your crankcase affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4142096
Mfg#:
VTT-VAC-RELIEF
In Stock
$104.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Vacuum Hose

ES#2100534 - 11657588771 - Vacuum Hose - Runs from the valve cover to the vacuum pump - Genuine BMW - BMW

Runs from the valve cover to the vacuum pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2100534
Mfg#:
11657588771
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.

$44.99

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

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Competition Fuel Cap Cover

ES#4904975 - BM-0006-BCG - Carbon Competition Fuel Cap Cover - Elevate the aesthetics of your BMW and leave no stone unturned; take your BMW to the next level with the AutoTecknic dry carbon fiber fuel cap cover. - AUTOTECKNIC - BMW MINI

Elevate the aesthetics of your BMW and leave no stone unturned; take your BMW to the next level with the AutoTecknic dry carbon fiber fuel cap cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
4904975
Mfg#:
BM-0006-BCG
In Stock
$65.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Two Port Universal Catch Can - Black

ES#4338487 - MMBCC-CBTWO - Two Port Universal Catch Can - Black - Mishimoto Compact Baffled Oil Catch Can - Mishimoto - BMW

Mishimoto Compact Baffled Oil Catch Can affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4338487
Mfg#:
MMBCC-CBTWO
In Stock
$160.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4424289
Mfg#:
VTT-OCC-2X1
Ships in 10 Business Days
$593.99 USD
Free Shipping

Gas Cap

ES#5340306 - 16117222391 - Gas Cap - Complete with sealing gasket and tether. - Hamburg Tech - BMW MINI

Complete with sealing gasket and tether. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hamburg Tech - Corporate Logo
ES#:
5340306
Mfg#:
16117222391
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Control Valve

ES#2574625 - 11747810831 - Vacuum Control Valve - Used in emissions and noise reduction systems - Pierburg - BMW

Used in emissions and noise reduction systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
2574625
Mfg#:
11747810831
In Stock
$85.99

This product was last offered at the strikethrough price on
03-21-2026

$50.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump - Priced Each

ES#37298 - 16137193479 - Leak Detection Pump - Priced Each - Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. - Genuine BMW - BMW MINI

Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37298
Mfg#:
16137193479
Ships in 2 Business Days
7% off MSRP

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

$266.99

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

$248.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 1 post-Cat

ES#27274 - 11787545074 - Rear Oxygen Sensor - Bank 1 post-Cat - Fuel control and emissions control sensor - Genuine BMW - BMW

Fuel control and emissions control sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27274
Mfg#:
11787545074
Ships in 2 Business Days
15% off MSRP

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

$325.99

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

$277.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner N54 Baffled Oil Catch Can System - Driver Side - E9x, E8x

ES#3546717 - 022798tms01-15KT - Turner N54 Baffled Oil Catch Can System - Driver Side - E9x, E8x - A 4 chamber, baffled oil catch can complete with a driver side mount and drain system! - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can complete with a driver side mount and drain system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3546717
Mfg#:
022798TMS01-15KT
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 17%
$458.99

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

$382.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Cover & Valve Upgrade

ES#5445538 - VTT-N54-UPCVVK - PCV Cover & Valve Upgrade - Ensures a superior seal that can withstand the high-pressure environments of tuned and high-horsepower N54 engines. - Vargas Turbo Technologies - BMW

Ensures a superior seal that can withstand the high-pressure environments of tuned and high-horsepower N54 engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5445538
Mfg#:
VTT-N54-UPCVVK
Ships in 10 Business Days
$64.99 USD
Free Shipping

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.

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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