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BMW E91 328xi N52 3.0L

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BMW E91 328xi N52 3.0L Engine Emission Parts

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Oxygen Sensor - Bank 2 Pre-Cat

ES#3625140 - 11787558073 - Oxygen Sensor - Bank 2 Pre-Cat - Located in the front position of the exhaust manifold - FAE - BMW

Located in the front position of the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
3625140
Mfg#:
11787558073
In Stock
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#4460474 - 3148030031 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Meyle - BMW
ECS Tuning recommends this product.

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:
Meyle - Corporate Logo
ES#:
4460474
Mfg#:
3148030031
Ships on Oct 15, 2026
$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O Ring - Priced Each

ES#3618241 - 11617533329 - O Ring - Priced Each - Seals the PCV angle connector to the intake manifold - Bremmen Parts - BMW

Seals the PCV angle connector to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3618241
Mfg#:
11617533329
In Stock
ON SALE! SAVE 30%
$6.99

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

$4.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Valve Gasket - Priced Each

ES#2602997 - 11727506214 - Secondary Air Pump Valve Gasket - Priced Each - Goes between the valve and intake tube - Victor Reinz - BMW

Goes between the valve and intake tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2602997
Mfg#:
11727506214
In Stock at Vendor
$7.30

This product was last offered at the strikethrough price on
05-29-2026

$7.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oxygen Sensor Bung - Priced Each

ES#5051 - ATP-FLS-022 - Universal Oxygen Sensor Bung - Priced Each - Stainless steel weld-in nut for any O2 sensor - ATP - Audi BMW Volkswagen

Stainless steel weld-in nut for any O2 sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 6 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

Complete with sealing gasket and tether. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5396193
Mfg#:
16117222391
In Stock
ON SALE! SAVE 18%
$19.99

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

$16.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#4726411 - AS815M - Oil Separator Valve - A common part to fail in cold weather - Hengst - BMW
ECS Tuning recommends this product.

A common part to fail in cold weather affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Hengst - Corporate Logo
ES#:
4726411
Mfg#:
AS815M
Ships on Jun 29, 2026
$64.99 USD
Free Shipping
on orders $49 and up

Oil Separator Valve

ES#2813540 - 11617531423 - Oil Separator Valve - A common part to fail in cold weather - Hamburg Tech - BMW

A common part to fail in cold weather affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813540
Mfg#:
11617531423
Ships in 1 Business Day
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bracket - Pack Of 10

ES#2681132 - 11157545772KT - Bracket - Pack Of 10 - Holds hoses in place - Genuine BMW - BMW

Holds hoses in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2681132
Mfg#:
11157545772KT
Ships in 7 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Valve Bracket

ES#25842 - 11617572643 - Crankcase Vent Valve Bracket - Holds the PCV valve in place - Genuine BMW - BMW

Holds the PCV valve in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25842
Mfg#:
11617572643
Ships in 4 Business Days
5% off MSRP

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

$41.99

This product was last offered at the strikethrough price on
06-05-2026

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Drain Kit

ES#3543138 - 20-0024 - Universal Catch Can Drain Kit - Intuitive drain solution for most catch can applications - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Intuitive drain solution for most catch can applications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Radium Engineering - Corporate Logo
ES#:
3543138
Mfg#:
20-0024
In Stock at Vendor
$28.99 USD
Free Shipping
on orders $49 and up

Extraction Line

ES#4325275 - 11157537701 - Extraction Line - Connectes to the oil separator - MTC - BMW

Connectes to the oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
4325275
Mfg#:
11157537701
Ships in 9 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Sprocket

ES#4759434 - 11417516128 - Vacuum Pump Sprocket - The main drive cog for the vacuum pump. - Bremmen Parts - BMW

The main drive cog for the vacuum pump. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759434
Mfg#:
11417516128
Special Order: No Guaranteed ETA
ON SALE! SAVE 21%
$26.99

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

$21.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Base

ES#1897545 - 07147273549 - Base - 43x35mm dimensions and is used to insolate the gas tank from the body of the vehicle to reduce noise, harshness and vibration. - Genuine BMW - BMW MINI

43x35mm dimensions and is used to insolate the gas tank from the body of the vehicle to reduce noise, harshness and vibration. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1897545
Mfg#:
07147273549
Ships in 1-2 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.

$14.99

This product was last offered at the strikethrough price on
06-05-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#25776 - 11617533329 - O-Ring - Priced Each - Seals the PCV angle connector to the intake manifold - Genuine BMW - BMW

Seals the PCV angle connector to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25776
Mfg#:
11617533329
Ships in 1-2 days
$11.99

This product was last offered at the strikethrough price on
03-04-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pipe Clip

ES#36203 - 16116766685 - Pipe Clip - Genuine BMW - BMW MINI

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

Brand:
Genuine BMW - Corporate Logo
ES#:
36203
Mfg#:
16116766685
Ships in 2 Business Days
$3.99

This product was last offered at the strikethrough price on
03-04-2026

$2.99 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.

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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