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BMW E39 Engine Emission Parts

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Vacuum Hose

ES#26986 - 11747797177 - Vacuum Hose - Used in a variety of vehicles. Measurements: 3.3x1.8 - Genuine BMW - BMW

Used in a variety of vehicles. Measurements: 3.3x1.8 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26986
Mfg#:
11747797177
Ships in 1-2 days
3% off MSRP

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

$35.99

This product was last offered at the strikethrough price on
06-04-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#27149 - 11781427884 - Oxygen Sensor - 990mm - cure your poor gas mileage by replacing your worn oxygen sensors - Genuine BMW - BMW

990mm - cure your poor gas mileage by replacing your worn oxygen sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 4/1998. 2 used in the exhaust manifold, 2 located after the catayst

Brand:
Genuine BMW - Corporate Logo
ES#:
27149
Mfg#:
11781427884
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.

$445.99

This product was last offered at the strikethrough price on
06-04-2026

$415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27157 - 11781437943 - Oxygen Sensor - Priced Each - Cure your poor gas mileage, rough idle, power loss and check engine light by replacing your worn oxygen sensors - Genuine BMW - BMW

Cure your poor gas mileage, rough idle, power loss and check engine light by replacing your worn oxygen sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits both upstream and downstream locations

Brand:
Genuine BMW - Corporate Logo
ES#:
27157
Mfg#:
11781437943
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.

$445.99

This product was last offered at the strikethrough price on
06-04-2026

$415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crank Case Breather Pipe

ES#19565 - 11151705301 - Crank Case Breather Pipe - Used to connect the oil separator to the crank case vent - Genuine BMW - BMW

Used to connect the oil separator to the crank case vent affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
19565
Mfg#:
11151705301
Ships in 1-2 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.

$51.99

This product was last offered at the strikethrough price on
06-04-2026

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Hose

ES#2158242 - 11151703775 - Oil Separator Hose - Runs from the valve cover to PCV valve - URO - BMW

Runs from the valve cover to PCV valve 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 09/1998

Brand:
URO - Corporate Logo
ES#:
2158242
Mfg#:
11151703775
Ships in 1 Business Day
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 2

ES#2731697 - 11617501566KT5 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
2731697
Mfg#:
11617501566KT5
Ships on Jul 6, 2026
Auto Notify
ON SALE! SAVE 24%
$170.99

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

$130.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#3673406 - 11617533398 - Crankcase Ventilation Hose - From oil separator to valve cover - Bavarian Autosport - BMW

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

Brand:
Bavarian Autosport - Corporate Logo
ES#:
3673406
Mfg#:
11617533398
In Stock
ON SALE! SAVE 20%
$24.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#25711 - 11617504535 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold - Genuine BMW - BMW

Runs from the top of the oil separator up to intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25711
Mfg#:
11617504535
Ships in 1-2 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.

$42.99

This product was last offered at the strikethrough price on
06-04-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve Service Kit

ES#2695566 - 11151406788KT - Oil Separator Valve Service Kit - The most commonly replaced components in your breather system - Genuine BMW - BMW

The most commonly replaced components in your breather system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2695566
Mfg#:
11151406788KT
Ships in 5 Business Days
$370.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Crankcase Breather Element

ES#4866071 - 11617533400 - Engine Crankcase Breather Element - Commonly referred to as the "oil separator" or PCV - Hengst - BMW
ECS Tuning recommends this product.

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!
We Price Match - Give Us A Call or Chat!
Superior performance for both warm and cold climates

Brand:
Hengst - Corporate Logo
ES#:
4866071
Mfg#:
11617533400
Ships in 1-2 days
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#19564 - 11151705272 - Oil Separator Valve - Connects to the vent tube which is attached to the PCV valve - Genuine BMW - BMW

Connects to the vent tube which is attached to the PCV valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
19564
Mfg#:
11151705272
Ships in 1-2 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.

$76.99

This product was last offered at the strikethrough price on
06-04-2026

$72.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 2

ES#3108095 - 11617501566kt7 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance, Includes ECS F-Connector - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance, Includes ECS F-Connector 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#:
3108095
Mfg#:
11617501566KT7
Ships on Jul 6, 2026
Auto Notify
ON SALE! SAVE 24%
$234.01

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

$177.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket

ES#261011 - 11727505259 - EGR Valve Gasket - Seals valve to the exhaust pipe - Victor Reinz - BMW

Seals valve to the exhaust pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1998

Brand:
Victor Reinz - Corporate Logo
ES#:
261011
Mfg#:
11727505259
In Stock
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Secondary Air Injection Pump

ES#3032153 - 11721433958 - E39 Secondary Air Injection Pump - Hella - BMW

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

Brand:
Hella - Corporate Logo
ES#:
3032153
Mfg#:
11721433958
Special Order: No Guaranteed ETA
$347.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E39 M5 Secondary Air Line

ES#26627 - 11721406708 - E39 M5 Secondary Air Line - Connects left and right cylinder banks to the secondary air pump - Genuine BMW - BMW

Connects left and right cylinder banks to the secondary air pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26627
Mfg#:
11721406708
Ships in 8 Business Days
3% off MSRP

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

$337.99

This product was last offered at the strikethrough price on
06-04-2026

$328.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#25438 - 11611432559 - Crankcase Ventilation Hose - From oil separator to valve cover - Genuine BMW - BMW

From oil separator to valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25438
Mfg#:
11611432559
Ships in 1-2 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.

$47.99

This product was last offered at the strikethrough price on
06-04-2026

$46.99 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.

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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