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BMW 335i Engine Emission Parts

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Oxygen Sensor - Downstream

ES#4820838 - 11787645875 - Oxygen Sensor - Downstream - 550mm. Rear O2 sensor/Lambda probe - Walker - BMW

550mm. Rear O2 sensor/Lambda probe from 7/2013 production date

Brand:
Walker - Corporate Logo
ES#:
4820838
Mfg#:
11787645875
In Stock at Vendor
$101.99

This product was last offered at the strikethrough price on
04-12-2026

$91.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 Oil Catch Can - F Chassis

ES#4475190 - OCCN55-F3X - N55 Oil Catch Can - F Chassis - Perfect for high boost applications. - Burger Motorsports - BMW

Perfect for high boost applications.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4475190
Mfg#:
OCCN55-F3X
Back Ordered
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#5396193 - 16117222391 - Gas Cap - Complete with sealing gasket and tether. - Bremmen Parts - BMW MINI
ECS Tuning recommends this product.

Complete with sealing gasket and tether. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5396193
Mfg#:
16117222391
In Stock
ON SALE! SAVE 15%
$19.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Pipe With Dust Filter

ES#2993886 - 16137438487 - Vent Pipe With Dust Filter - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2993886
Mfg#:
16137438487
In Stock
ON SALE!
$110.99

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

$107.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#3625133 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - FAE - BMW

Fuel control and emissions control sensor

Brand:
FAE - Corporate Logo
ES#:
3625133
Mfg#:
11787545075
In Stock
ON SALE!
$78.99

This product was last offered at the strikethrough price on
06-25-2026

$75.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Hose

ES#4809973 - 11127584128 - Crankcase Breather Hose - Connects to the CCV on the valve cover - URO - 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:
URO - Corporate Logo
ES#:
4809973
Mfg#:
11127584128
In Stock
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 Silicone Upgraded Crank Case Vent Hose

ES#4876617 - 018481LA01 - N55 Silicone Upgraded Crank Case Vent Hose - Replace the weak link in your crank case vent hose with our silicone upgrade! - ECS - BMW

Replace the weak link in your crank case vent hose with our silicone upgrade! 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4876617
Mfg#:
018481LA01
Ships on Sep 21, 2026
Auto Notify
ON SALE! SAVE 25%
$26.99

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

$20.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#27275 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Genuine BMW - BMW

Fuel control and emissions control sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
27275
Mfg#:
11787545075
Ships in 4 Business 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.

$325.99

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

$281.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet 1/2" Check Valve - 8 Barb

ES#3616083 - VTT-CHECK-1 - Billet 1/2" Check Valve - 8 Barb - Useful in multiple locations. - Vargas Turbo Technologies - BMW

Useful in multiple locations. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
3616083
Mfg#:
VTT-CHECK-1
Ships in 1 Business Day
$36.99 USD
Free Shipping
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.

Brand:
Genuine BMW - Corporate Logo
ES#:
37298
Mfg#:
16137193479
Ships in 4 Business Days
6% 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
07-20-2026

$250.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 10AN ORB To 3/8" Barb

ES#4460630 - rad20-0530 - Universal 10AN ORB To 3/8" Barb - This PCV can be used on the outlet of any Radium Engineering catch can - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This PCV can be used on the outlet of any Radium Engineering catch can

Brand:
Radium Engineering - Corporate Logo
ES#:
4460630
Mfg#:
RAD20-0530
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MMX Oil Catch Can Kit

ES#4429932 - MMR17-0501FK - MMX Oil Catch Can Kit - Clean up your intake system with an oil catch can! - MMX Performance - BMW

Clean up your intake system with an oil catch can!

Brand:
MMX Performance - Corporate Logo
ES#:
4429932
Mfg#:
MMR17-0501FK
Ships in 6 Business Days
$476.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Driver Side Catch Can

ES#4140469 - 023185TMS010 - N54 Driver Side Catch Can - Complete with A/N fittings and billet PCV system adapters - Turner Motorsport - BMW

Complete with A/N fittings and billet PCV system adapters 10X Entries For Our 25th Anniversary Sweepstakes!
Engineered for Driver Side engine bay fitment.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4140469
Mfg#:
023185TMS010
Ships in 1 Business Day
ON SALE! SAVE 25%
$635.99

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

$476.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner A/N Catch Can Kit - Passenger Side

ES#4057348 - 023185TMS09 - Turner A/N Catch Can Kit - Passenger Side - Complete with A/N fittings and billet PCV system adapters - Turner Motorsport - BMW

Complete with A/N fittings and billet PCV system adapters 10X Entries For Our 25th Anniversary Sweepstakes!
Engineered for Passenger Side engine bay fitment.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4057348
Mfg#:
023185TMS09
In Stock
ON SALE! SAVE 25%
$630.99

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

$473.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 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.

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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