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BMW 328i Engine Emission Parts

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Baffled Oil Catch Can

ES#3146776 - MMBCCN20N2612CB - Baffled Oil Catch Can - Direct-fit, plug-and-play catch can kit for N20 engines. Keep your engine clean & free of oil deposits. - Mishimoto - BMW

Direct-fit, plug-and-play catch can kit for N20 engines. Keep your engine clean & free of oil deposits.

Brand:
Mishimoto - Corporate Logo
ES#:
3146776
Mfg#:
MMBCCN20N2612CB
In Stock at Vendor
$278.95 USD
Free Shipping
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 10, 2026
$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Secondary Air Pump

ES#2574862 - 11727553056 - E46 Secondary Air Pump - Located in the right portion of the engine bay, near the shock tower and windshield wiper fluid reservoir - Pierburg - BMW
ECS Tuning recommends this product.

Located in the right portion of the engine bay, near the shock tower and windshield wiper fluid reservoir

Brand:
Pierburg - Corporate Logo
ES#:
2574862
Mfg#:
11727553056
Ships in 1 day
$328.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose Kit

ES#2785230 - 11617504535K - Crankcase Ventilation Hose Kit - Hose kit to perform a CCV refresh - Rein - BMW

Hose kit to perform a CCV refresh 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2785230
Mfg#:
11617504535K
Ships in 1 Business Day
$79.99 USD
Free Shipping
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

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

Oxygen Sensor - Bank 2 Pre-Cat

ES#4615598 - 11787558073 - Oxygen Sensor - Bank 2 Pre-Cat - Located in the front position of the exhaust manifold - URO - BMW

Located in the front position of the exhaust manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4615598
Mfg#:
11787558073
In Stock
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vapor Canister Filter

ES#37262 - 16136765755 - Vapor Canister Filter - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
37262
Mfg#:
16136765755
Ships in 3 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.

$320.99

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

$300.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Vacuum Line

ES#3691613 - 11727574490 - Secondary Air Pump Vacuum Line - Replacement line - Rein - BMW

Replacement line 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3691613
Mfg#:
11727574490
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N20/N26 BMS Oil Catch Can

ES#3508667 - BMSCC-N20N26 - N20/N26 BMS Oil Catch Can - Perfect for high boost applications. - Burger Motorsports - BMW

Perfect for high boost applications.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3508667
Mfg#:
BMSCC-N20N26
Ships in 8 Business Days
$199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Hose - 1 Meter

ES#26414 - 11657803732 - Vacuum Hose - 1 Meter - Seal up your vacuum leak - Genuine BMW - BMW

Seal up your vacuum leak

Brand:
Genuine BMW - Corporate Logo
ES#:
26414
Mfg#:
11657803732
In Stock
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#19645 - 11157559528 - Crankcase Vent Hose - For PCV system - Genuine BMW - BMW

For PCV system

Brand:
Genuine BMW - Corporate Logo
ES#:
19645
Mfg#:
11157559528
In Stock
5% off MSRP

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

$108.99

This product was last offered at the strikethrough price on
07-06-2026

$103.99 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

Vacuum Control Valve

ES#4069996 - 11611312737 - Vacuum Control Valve - Common source of emission related issues - Pierburg - BMW

Common source of emission related issues

Brand:
Pierburg - Corporate Logo
ES#:
4069996
Mfg#:
11611312737
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Pressure Regulator Valve

ES#25780 - 11617533400 - "Cold Climate" Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Genuine BMW - BMW

Commonly referred to as the "oil separator" or PCV Superior performance for both warm and cold climates

Brand:
Genuine BMW - Corporate Logo
ES#:
25780
Mfg#:
11617533400
In Stock at Vendor
$157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#4609192 - 11617531423 - Oil Separator Valve - A common part to fail in cold weather - Bremmen Parts - BMW

A common part to fail in cold weather 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4609192
Mfg#:
11617531423
Ships in 8 Business Days
Auto Notify
ON SALE!
$69.99

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

$67.20 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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