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BMW E39 Engine Emission Parts

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E39 Check Valve

ES#61770 - 34331163915 - E39 Check Valve - Located in the intake system between the intake and the brake booster. - Genuine BMW - BMW

Located in the intake system between the intake and the brake booster. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
61770
Mfg#:
34331163915
Ships in 1 day
$122.99

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

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#4338782 - 11617504535 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold. - Bavarian Autosport - BMW

Runs from the top of the oil separator up to intake manifold. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4338782
Mfg#:
11617504535
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

Secondary air pump hose

ES#26668 - 11721438263 - Secondary air pump hose - Connects the secondary air pump to the EGR valve - Genuine BMW - BMW

Connects the secondary air pump to the EGR 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#:
26668
Mfg#:
11721438263
In Stock
2% off MSRP

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

$88.99

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

$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Valve

ES#4508741 - 13901744150 - Fuel Tank Breather Valve - Breather valve for the fuel system - Hamburg Tech - BMW

Breather valve for the fuel system 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#:
4508741
Mfg#:
13901744150
In Stock
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Suction Jet Pump

ES#25798 - 11617545382 - Suction Jet Pump - A common source for vacuum leaks - Genuine BMW - BMW

A common source for vacuum leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25798
Mfg#:
11617545382
Ships in 1 day
3% off MSRP

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

$87.99

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

$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Vacuum Line

ES#26851 - 11727574490 - Secondary Air Pump Vacuum Line - Replacement line - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
26851
Mfg#:
11727574490
Ships in 1-3 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.

$58.99

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

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Oil Separator Kit - Level 2

ES#2731692 - 11617501566KT3 - "Cold Climate" 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!
Superior performance for both warm and cold climates

Brand:
Assembled By ECS - Corporate Logo
ES#:
2731692
Mfg#:
11617501566KT3
Ships on Jul 6, 2026
Auto Notify
ON SALE!
$168.99

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

$166.67 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 10AN ORB To 3/8" Barb

ES#4460630 - rad20-0530 - Universal 10AN ORB To 3/8" Barb - This PCV can be used on the outlet of any Radium Engineering catch can - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This PCV can be used on the outlet of any Radium Engineering catch can affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Radium Engineering - Corporate Logo
ES#:
4460630
Mfg#:
RAD20-0530
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve

ES#19558 - 11151703484 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" - Genuine BMW - BMW

Commonly referred to as the "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
19558
Mfg#:
11151703484
In Stock
6% off MSRP

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

$103.99

This product was last offered at the strikethrough price on
02-03-2026

$97.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Leak Diagnosis Pump

ES#37152 - 16131184968 - Leak Diagnosis Pump - Get rid of trouble codes - Genuine BMW - BMW

Get rid of trouble codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/2000

Brand:
Genuine BMW - Corporate Logo
ES#:
37152
Mfg#:
16131184968
Ships in 1 day
7% off MSRP

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

$258.99

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

$241.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Cap

ES#25468 - 11611437560 - Vacuum Cap - 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#:
25468
Mfg#:
11611437560
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emission Control-Air Pump

ES#26695 - 11721707619 - Emission Control-Air Pump - Be sure to pass emission checks with a new check valve - Genuine BMW - BMW

Be sure to pass emission checks with a new check 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#:
26695
Mfg#:
11721707619
Ships in 1 day
3% off MSRP

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

$226.99

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

$220.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E39 Secondary Air Pump

ES#2708322 - 11721433959 - E39 Secondary Air Pump - Common source of emissons related issues - Pierburg - BMW

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

Brand:
Pierburg - Corporate Logo
ES#:
2708322
Mfg#:
11721433959
In Stock at Vendor
$439.61

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

$435.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E39 M5 Secondary Air Pump Hose

ES#26628 - 11721407017 - E39 M5 Secondary Air Pump Hose - Connects the air pump to the control valve - Genuine BMW - BMW

Connects the air pump to the control valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26628
Mfg#:
11721407017
Ships in 1 day
2% off MSRP

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

$88.99

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

$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Return Pipe

ES#25712 - 11617504536 - Return Pipe - Runs from the intake manifold back to connecting hose - Genuine BMW - BMW

Runs from the intake manifold back to connecting hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25712
Mfg#:
11617504536
In Stock
2% off MSRP

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

$43.99

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

$42.99 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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