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BMW E90 325xi N52 3.0L

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BMW E90 325xi N52 3.0L Engine Emission Parts

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Oxygen Sensor - Bank 2 Pre-Cat

ES#27294 - 11787558073 - Oxygen Sensor - Bank 2 Pre-Cat - Located in the front position of the exhaust manifold - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
27294
Mfg#:
11787558073
Ships in 3 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.

$406.99

This product was last offered at the strikethrough price on
06-16-2026

$346.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#4004770 - 11617531423 - Oil Separator Valve - A common part to fail in cold weather - URO - BMW

A common part to fail in cold weather affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4004770
Mfg#:
11617531423
In Stock
$57.12 USD
Free Shipping
on orders $49 and up

Oxygen Sensor - Priced Each

ES#4726375 - 11787537984 - Oxygen Sensor - Priced Each - Located on the catalytic converters, 2 required - Pierburg - BMW

Located on the catalytic converters, 2 required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
4726375
Mfg#:
11787537984
Ships on Oct 27, 2026
$170.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Gasket

ES#26433 - 11667525815 - Vacuum Pump Gasket - Located on the front of the engine block - Genuine BMW - BMW

Located on the front of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26433
Mfg#:
11667525815
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.

$16.99

This product was last offered at the strikethrough price on
06-03-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#25772 - 11617531423 - Oil Separator Valve - A common part to fail in cold weather - Genuine BMW - BMW

A common part to fail in cold weather affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25772
Mfg#:
11617531423
Ships in 3 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.

$148.99

This product was last offered at the strikethrough price on
06-16-2026

$138.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Nut - Priced Each

ES#241175 - 07119905515 - Hex Nut - Priced Each - Used in various locations - Genuine BMW - BMW MINI

Used in various locations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
241175
Mfg#:
07119905515
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vapor Canister Grommet

ES#3521464 - 16131183912 - Vapor Canister Grommet - Used in the charcoal canister connection - URO - BMW MINI

Used in the charcoal canister connection affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3521464
Mfg#:
16131183912
In Stock
$5.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Service Kit

ES#2825781 - 11617531423KT4 - Oil Separator Service Kit - Includes valve and all necessary hoses - Assembled By ECS - BMW

Includes valve and all necessary hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 10/2005

Brand:
Assembled By ECS - Corporate Logo
ES#:
2825781
Mfg#:
11617531423KT4
Ships in 2 Business Days
ON SALE! SAVE 20%
$321.99

This product was last offered at the strikethrough price on
01-03-2026

$256.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Bank 1 Pre-Cat

ES#3625139 - 11787558055 - Front Oxygen Sensor - Bank 1 Pre-Cat - Fuel control and emissions control sensor - FAE - BMW

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

Brand:
FAE - Corporate Logo
ES#:
3625139
Mfg#:
11787558055
Ships on Jul 7, 2026
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Filter Cartridge

ES#4181064 - 16137439425 - Filter Cartridge - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
4181064
Mfg#:
16137439425
Ships in 7 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.

$49.99

This product was last offered at the strikethrough price on
06-16-2026

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cable For Onboard Diagnosis

ES#36829 - 16126765749 - Cable For Onboard Diagnosis - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
36829
Mfg#:
16126765749
Ships in 3 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.

$118.99

This product was last offered at the strikethrough price on
06-16-2026

$110.99 USD
Free Shipping
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. 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 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

Oil Separator Vent Hose

ES#25824 - 11617559530OE - Oil Separator Vent Hose - Should be replaced with the oil separator - Genuine BMW - BMW

Should be replaced with the oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 10/2005

Brand:
Genuine BMW - Corporate Logo
ES#:
25824
Mfg#:
11617559530OE
Ships in 4 Business Days
10% off MSRP

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

$77.99

This product was last offered at the strikethrough price on
06-16-2026

$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Vent Hose

ES#2834652 - 11617559530 - Oil Separator Vent Hose - Should be replaced with the oil separator - Rein - BMW

Should be replaced with the oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2834652
Mfg#:
11617559530
Ships in 1-2 days
$66.99

This product was last offered at the strikethrough price on
05-07-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#3625127 - 11787537984 - Oxygen Sensor - Priced Each - Located on the catalytic converters, 2 required - FAE - BMW

Located on the catalytic converters, 2 required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
3625127
Mfg#:
11787537984
Ships on Jul 13, 2026
$94.99 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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