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BMW E39 Engine Emission Parts

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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 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 4 Business Days
6% 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
07-20-2026

$418.99 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 Fits both upstream and downstream locations

Brand:
Genuine BMW - Corporate Logo
ES#:
27157
Mfg#:
11781437943
Ships in 4 Business Days
6% 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
07-20-2026

$418.99 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 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
In Stock
$40.99 USD
Free Shipping
on orders $49 and up
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 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

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 We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4508741
Mfg#:
13901744150
In Stock
ON SALE!
$83.99

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

$79.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve

ES#26808 - 11727540468 - EGR Valve - 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 For vehicles with production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
26808
Mfg#:
11727540468
Ships in 4 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.

$194.99

This product was last offered at the strikethrough price on
07-20-2026

$190.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 1

ES#2684822 - 11151703484KT1 - Oil Separator Kit - Level 1 - Includes a new separator, hoses, and hardware - Genuine BMW - BMW

Includes a new separator, hoses, and hardware For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2684822
Mfg#:
11151703484KT1
Ships in 4 Business Days
$188.99 USD
Free Shipping
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 2X Entries For Our 25th Anniversary Sweepstakes!
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 2 Business Days
$24.99 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

Brand:
Genuine BMW - Corporate Logo
ES#:
2695566
Mfg#:
11151406788KT
Ships in 4 Business Days
$371.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Silicone CCV Hose (11151703775)

ES#5373985 - 059015LA02 - Upgraded Silicone CCV Hose (11151703775) - Replace your failure-prone plastic breather hose with a durable, long-lasting solution! - Turner Motorsport - BMW

Replace your failure-prone plastic breather hose with a durable, long-lasting solution! 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles with a Production Date up to 09/1998

Brand:
Turner Motorsport - Corporate Logo
ES#:
5373985
Mfg#:
059015LA02
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 49%
$59.99

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

$30.74 USD
Free Shipping
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 For vehicles with production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
19564
Mfg#:
11151705272
Ships in 3 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.

$76.99

This product was last offered at the strikethrough price on
07-20-2026

$72.99 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 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

Crank Case Vent Valve

ES#2779734 - 11617501563 - Crank Case Vent Valve - Also known as a PCV or CCV - Vaico - BMW

Also known as a PCV or CCV We Price Match - Give Us A Call or Chat! Common signs of failure include smoking on startup, rough idle, and sometimes a "Jetsons" noise from underhood at idle.

Brand:
Vaico - Corporate Logo
ES#:
2779734
Mfg#:
11617501563
In Stock at Vendor
$123.99

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

$119.99 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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3108095
Mfg#:
11617501566KT7
In Stock
ON SALE! SAVE 23%
$234.01

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

$179.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mounting Grommet - Priced Each

ES#33102 - 13411733217 - Mounting Grommet - Priced Each - Rubber grommet that helps hold oil separator or Idle Control Valve - Genuine BMW - BMW

Rubber grommet that helps hold oil separator or Idle Control Valve Up to Model Year 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
33102
Mfg#:
13411733217
Ships in 3 Business Days
$17.86 USD
Free Shipping
on orders $49 and up
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 For vehicles with production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
19565
Mfg#:
11151705301
Ships in 4 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.

$51.99

This product was last offered at the strikethrough price on
07-20-2026

$50.99 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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