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BMW E46 325i M54 2.5L

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BMW E46 325i M54 2.5L Engine Emission Parts

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Vacuum Check Valve

ES#2574659 - 1168000378 - Vacuum Check Valve - Common source of emission related issues - Kayser - BMW Mercedes Benz

Common source of emission related issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kayser - Corporate Logo
ES#:
2574659
Mfg#:
1168000378
In Stock at Vendor
$16.99

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

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

Crankcase Ventilation Dipstick Hose

ES#19637 - 11157532629 - Crankcase Ventilation Dipstick Hose - From oil separator to dipstick tube - Genuine BMW - BMW

From oil separator to dipstick tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use in cold climates

Brand:
Genuine BMW - Corporate Logo
ES#:
19637
Mfg#:
11157532629
In Stock
ON SALE!
$38.99

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

$35.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Screw - Priced Each

ES#25777 - 11617533331 - Torx Screw - Priced Each - K60x22 - Genuine BMW - BMW

K60x22 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to mount the oil separator unit

Brand:
Genuine BMW - Corporate Logo
ES#:
25777
Mfg#:
11617533331
In Stock
ON SALE! SAVE 30%
$2.99

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

$2.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Secondary Air Injection Pipe - Control Valve to Vacuum Valve (In-between Vacuum Hoses)

ES#26849 - 11727574486 - E46 Secondary Air Injection Pipe - Control Valve to Vacuum Valve (In-between Vacuum Hoses) - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
26849
Mfg#:
11727574486
Ships in 5 Business Days
2% off MSRP

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

$129.99

This product was last offered at the strikethrough price on
07-04-2026

$126.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Hose

ES#2515379 - 11727555680 - Pressure Hose - Runs from the air pump to the solenoid valve - URO - BMW

Runs from the air pump to the solenoid valve 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!
For vehicles with production date up to 03/2003

Brand:
URO - Corporate Logo
ES#:
2515379
Mfg#:
11727555680
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2895524 - 11781247406 - Oxygen Sensor - Priced Each - 2 required in each application - Vemo - BMW

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2895524
Mfg#:
11781247406
Ships on Oct 27, 2026
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Grommet

ES#37081 - 16131183912 - Sealing Grommet - See MOQKT - Genuine BMW - BMW MINI

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

Brand:
Genuine BMW - Corporate Logo
ES#:
37081
Mfg#:
16131183912
In Stock at Vendor
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket

ES#26760 - 11727505259 - EGR Valve Gasket - Seals valve to the head - Genuine BMW - BMW

Seals valve to the head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
26760
Mfg#:
11727505259
In Stock
ON SALE! SAVE 11%
$13.99

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

$12.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Mount - Priced Each

ES#3559949 - 11727559515 - Secondary Air Pump Mount - Priced Each - 3 required per car - Hamburg Tech - BMW

3 required per car affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 03/2003

Brand:
Hamburg Tech - Corporate Logo
ES#:
3559949
Mfg#:
11727559515
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EVAP Pump Mass Air Flow Sensor

ES#4941249 - 11721438814 - EVAP Pump Mass Air Flow Sensor - Replacement for sensor that monitors the volume of air the EVAP pump takes in - Holstein - BMW

Replacement for sensor that monitors the volume of air the EVAP pump takes in affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Holstein - Corporate Logo
ES#:
4941249
Mfg#:
11721438814
Ships in 1 Business Day
$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Check Valve

ES#4818552 - 1168000378 - Vacuum Check Valve - Common source of emission related issues - Bremmen Parts - BMW Mercedes Benz

Common source of emission related issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818552
Mfg#:
1168000378
In Stock
ON SALE! SAVE 35%
$4.99

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

$3.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Hose Kit

ES#3108206 - 012178ECS01KT - Oil Separator Hose Kit - Assembled By ECS - BMW

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
3108206
Mfg#:
012178ECS01KT
In Stock
ON SALE! SAVE 23%
$143.99

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

$110.21 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Mount - Priced Each

ES#26844 - 11727571866 - Air Pump Mount - Priced Each - Used to mount the air pump - Genuine BMW - BMW

Used to mount the air pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
26844
Mfg#:
11727571866
Ships in 9 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.

$37.99

This product was last offered at the strikethrough price on
07-04-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#3673408 - 11157532629 - Crankcase Vent Hose - From oil separator to dipstick tube - Bremmen Parts - BMW

From oil separator to dipstick tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673408
Mfg#:
11157532629
In Stock
ON SALE! SAVE 18%
$10.99

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

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

PCV System Oil Separator

ES#3188730 - 46103 - PCV System Oil Separator - Vacuum leaks and loss of power could mean that its time for a new cpvc valve. - Dorman - BMW

Vacuum leaks and loss of power could mean that its time for a new cpvc valve. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3188730
Mfg#:
46103
Ships in 4 Business Days
$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Vapor Canister Filter

ES#37256 - 16136765272 - E46 Vapor Canister Filter - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
37256
Mfg#:
16136765272
Ships in 3 Business Days
4% off MSRP

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

$100.99

This product was last offered at the strikethrough price on
07-04-2026

$96.99 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.

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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