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BMW E39 Engine Emission Parts

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Leak Diagnosis Pump

ES#2702165 - 16136756440 - Leak Diagnosis Pump - Located under the vehicle, near the transmission bellhousing or in the rear. - Bosch - BMW

Located under the vehicle, near the transmission bellhousing or in the rear. 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 09/2001

Brand:
Bosch - Corporate Logo
ES#:
2702165
Mfg#:
16136756440
Back Ordered
$221.99

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

$215.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#3673407 - 11617533399 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold - Bremmen Parts - 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!
For use in cold climates

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673407
Mfg#:
11617533399
In Stock
ON SALE! SAVE 22%
$22.99

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

$17.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Control Valve

ES#5388809 - 11747810831 - Vacuum Control Valve - Used in emissions and noise reduction systems - Bremmen Parts - BMW

Used in emissions and noise reduction systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5388809
Mfg#:
11747810831
In Stock
ON SALE! SAVE 21%
$26.99

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

$21.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#25779 - 11617533399 - 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
For use in cold climates

Brand:
Genuine BMW - Corporate Logo
ES#:
25779
Mfg#:
11617533399
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.

$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

Crankcase Ventilation Hose

ES#4818513 - 11157532649 - Crankcase Ventilation 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#:
4818513
Mfg#:
11157532649
Ships on Jul 6, 2026
Auto Notify
ON SALE! SAVE 24%
$15.99

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

$12.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3 Pin Connector

ES#4772594 - 12521706096 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV). - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772594
Mfg#:
12521706096
In Stock
ON SALE! SAVE 11%
$10.99

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

$9.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Pressure Regulator Valve Kit

ES#2771202 - 11617533400K - "Cold Climate" Crankcase Pressure Regulator Valve Kit - Replace your cracked breather hoses and crankcase pressure valve with all new components! - Vaico - BMW

Replace your cracked breather hoses and crankcase pressure valve with all new components! 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:
Vaico - Corporate Logo
ES#:
2771202
Mfg#:
11617533400K
In Stock at Vendor
$299.99

This product was last offered at the strikethrough price on
02-16-2026

$202.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Valve Gasket

ES#25577 - 11611729728 - PCV Valve Gasket - Seals PCV valve to intake manifold - Genuine BMW - BMW

Seals PCV valve to intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25577
Mfg#:
11611729728
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Mount - Priced Each

ES#26839 - 11727559515 - Secondary Air Pump Mount - Priced Each - 3 required per car - Genuine BMW - BMW

3 required per car affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26839
Mfg#:
11727559515
In Stock
7% off MSRP

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

$28.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Hose

ES#2534730 - 11151740393 - PCV Hose - Connects the PCV to the oil dipstick tube - URO - BMW

Connects the PCV to the oil dipstick tube 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#:
2534730
Mfg#:
11151740393
In Stock
$5.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#2598765 - 11157532649 - Crankcase Ventilation Hose - From oil separator to dipstick tube - Rein - 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:
Rein - Corporate Logo
ES#:
2598765
Mfg#:
11157532649
Ships in 9 Business Days
Auto Notify
$11.99 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
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#258928 - 11781247406 - Oxygen Sensor - Priced Each - 2 Required in each application - Bosch - 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!
For vehicles with production date up to 09/1998

Brand:
Bosch - Corporate Logo
ES#:
258928
Mfg#:
11781247406
Ships on Nov 25, 2026
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Pump

ES#25341 - 11611284269 - Air Pump - Air pump for the engine and brake booster vacuum system. - Genuine BMW - BMW

Air pump for the engine and brake booster vacuum system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25341
Mfg#:
11611284269
In Stock
5% 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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve - Cylinder Bank 1-4

ES#19538 - 11151406788 - Crankcase Pressure Regulator Valve - Cylinder Bank 1-4 - 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

Brand:
Genuine BMW - Corporate Logo
ES#:
19538
Mfg#:
11151406788
Ships in 1-2 days
8% off MSRP

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

$60.99

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

$55.99 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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