Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E39 525i M54 2.5L

BMW E39 525i M54 2.5L Engine Emission Parts

Sort By
Filter By
Return to Top
ES#36921 - 16131177494 - Tubing Support - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
36921
Mfg#:
16131177494
Ships in 2 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#26656 - 11721435456 - Secondary Air Pump - Pressure Hose - Located in the drivers side wheel well  - Genuine BMW - BMW

Located in the drivers side wheel well affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26656
Mfg#:
11721435456
Ships in 2 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
ES#4487450 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Meyle - BMW

2 Required in each application 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#:
4487450
Mfg#:
11781433940
Ships on Oct 15, 2026
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2770621 - 11617501566 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Vaico - BMW

Commonly referred to as the "oil separator" or PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2770621
Mfg#:
11617501566
In Stock
Limited Qty Sale
$44.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3235213 - 11617501566 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Gates - BMW

Commonly referred to as the "oil separator" or PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235213
Mfg#:
11617501566
Ships on Jun 25, 2026
$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2598492 - 11611437560KT - Vacuum Cap - Pack Of 10 - Used in various locations under the hood - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2598492
Mfg#:
11611437560KT
Ships in 2 Business Days
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2873637 - 11157532649 - Crankcase Ventilation Hose - From oil separator to dipstick tube - Febi - BMW

From oil separator to dipstick tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873637
Mfg#:
11157532649
In Stock at Vendor
$19.12

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

$17.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3188717 - 46063 - Crankcase Pressure Regulator Valve and Oil Separator - Commonly referred to as the "oil separator" or PCV - Dorman - BMW

Commonly referred to as the "oil separator" or PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3188717
Mfg#:
46063
In Stock
Limited Qty Sale
$76.70

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

$63.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2867372 - 11617533400 - "Cold Climate" Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Febi - BMW

Commonly referred to as the "oil separator" or PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Superior performance for both warm and cold climates

Brand:
Febi - Corporate Logo
ES#:
2867372
Mfg#:
11617533400
Ships in 1 Business Day
$72.99

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

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#27264 - 11787539016 - Oxygen Sensor Holder - Priced Each - Used to secure the oxygen sensor harness - Genuine BMW - BMW

Used to secure the oxygen sensor harness affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27264
Mfg#:
11787539016
In Stock
Limited Qty Sale
14% off MSRP

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

$6.99

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

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3672858 - 11617501566 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Meyle - BMW

Commonly referred to as the "oil separator" or PCV 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#:
3672858
Mfg#:
11617501566
Ships on Oct 15, 2026
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2873831 - 11617501566 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Febi - BMW

Commonly referred to as the "oil separator" or PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873831
Mfg#:
11617501566
Ships on Sep 2, 2026
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3493923 - 11721435456 - E39 Secondary Air Pump - Pressure Hose - Located in the drivers side wheel well - Rein - BMW

Located in the drivers side wheel well affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3493923
Mfg#:
11721435456
Ships in 3 Business Days
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2187556 - 11611432559 - Crankcase Ventilation Hose - From oil separator to valve cover - URO - BMW

From oil separator to valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187556
Mfg#:
11611432559
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4669234 - 11617533400 - PCV Valve Seperator - Commonly referred to as the "oil separator" or PCV - Bremmen Parts - BMW

Commonly referred to as the "oil separator" or PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4669234
Mfg#:
11617533400
In Stock
ON SALE!
$44.99

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

$44.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2681698 - 11617533400 - "Cold Climate" Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - URO - BMW

Commonly referred to as the "oil separator" or PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Superior performance for both warm and cold climates

Brand:
URO - Corporate Logo
ES#:
2681698
Mfg#:
11617533400
Ships in 1 Business Day
$70.99

This product was last offered at the strikethrough price on
04-10-2026

$40.99 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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings