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BMW 335i Engine Emission Parts

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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. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5445538
Mfg#:
VTT-N54-UPCVVK
Ships in 3 Business Days
$64.99 USD
Free Shipping

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 2X Entries For Our 25th Anniversary Sweepstakes!

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

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

Brand:
MMX Performance - Corporate Logo
ES#:
4643099
Mfg#:
MMR03-1501
Ships on Aug 11, 2026
$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

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

Complete with sealing gasket and tether.

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

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

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

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.

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

Fuel Tank Ventilation

ES#5445659 - 13907636156 - Fuel Tank Ventilation - Hudson - BMW

Brand:
Hudson - Corporate Logo
ES#:
5445659
Mfg#:
13907636156
Ships in 4 Business Days
$105.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#3546728 - 022798TMS01-16KT - Turner N54 Baffled Oil Catch Can System - Passenger Side - E9x, E8x - A 4 chamber, baffled oil catch can complete with a passenger side mount and drain system! - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can complete with a passenger side mount and drain system! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3546728
Mfg#:
022798TMS01-16KT
Ships in 2 Business Days
ON SALE! SAVE 20%
$472.99

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

$378.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Downstream Catalytic Converter

ES#2706967 - 11787645875 - Oxygen Sensor - Downstream Catalytic Converter - 550mm. Rear O2 sensor/Lambda probe - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2706967
Mfg#:
11787645875
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

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

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

BMW 335I/335XI/135I Baffled Oil Catch Can

ES#3551075 - MMBCC-N55-11CBE - BMW 335I/335XI/135I Baffled Oil Catch Can - Keep your intake tract clean and oil free - Mishimoto - BMW

Keep your intake tract clean and oil free

Brand:
Mishimoto - Corporate Logo
ES#:
3551075
Mfg#:
MMBCC-N55-11CBE
In Stock at Vendor
$272.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner N55 Baffled Oil Catch Can System

ES#3570204 - 022515tms04 - Turner N55 Baffled Oil Catch Can System - A 4 chamber, baffled oil catch can with valved drain system - complete with an application-specific mounting hardware and silicone hoses - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can with valved drain system - complete with an application-specific mounting hardware and silicone hoses 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3570204
Mfg#:
022515TMS04
Ships in 2 Business Days
ON SALE! SAVE 25%
$449.99

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

$337.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vapor Canister Filter

ES#37280 - 16137170673 - Vapor Canister Filter - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
37280
Mfg#:
16137170673
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.

$354.99

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

$332.99 USD
Free Shipping
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

Brand:
Pierburg - Corporate Logo
ES#:
2574625
Mfg#:
11747810831
In Stock
ON SALE! SAVE 50%
$85.99

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

$42.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#4879319 - 11787589475 - Oxygen Sensor - N54 N55 N20 Direct-fit OE replacement design restores proper oxygen sensor function and engine air/fuel mixture - URO - BMW

N54 N55 N20 Direct-fit OE replacement design restores proper oxygen sensor function and engine air/fuel mixture 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4879319
Mfg#:
11787589475
In Stock
ON SALE!
$69.99

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

$66.49 USD
Free Shipping
on orders $49 and up
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

Brand:
Genuine BMW - Corporate Logo
ES#:
27274
Mfg#:
11787545074
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

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

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Manufacturer names and/or part numbers are used only for identification purposes.

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