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BMW Engine Emission Parts

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Performance Oil Separator Kit

ES#5443594 - 059015LA02KT - Performance Oil Separator Kit - Includes a new separator, Turner Motorsport silicone breather hose, return hose, and hardware. - Assembled By ECS - BMW

Includes a new separator, Turner Motorsport silicone breather hose, return hose, and hardware. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
5443594
Mfg#:
059015LA02KT
Ships on Oct 5, 2026
Auto Notify
ON SALE! SAVE 19%
$104.96

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

$84.77 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Distributor

ES#25494 - 11611440318 - Air Distributor - Located on top of the intake manifold. Includes new o-rings. - Genuine BMW - BMW

Located on top of the intake manifold. Includes new o-rings.

Brand:
Genuine BMW - Corporate Logo
ES#:
25494
Mfg#:
11611440318
Ships in 1 day
$127.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27153 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Genuine BMW - BMW

2 Required in each application

Brand:
Genuine BMW - Corporate Logo
ES#:
27153
Mfg#:
11781433940
Ships in 2 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.

$404.99

This product was last offered at the strikethrough price on
07-21-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27124 - 11781247406 - Oxygen Sensor - Priced Each - 2 required in each application - Genuine BMW - BMW

2 required in each application

Brand:
Genuine BMW - Corporate Logo
ES#:
27124
Mfg#:
11781247406
Ships in 2 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.

$404.99

This product was last offered at the strikethrough price on
07-21-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27207 - 11781739845 - Oxygen Sensor - Priced Each - 2 required in each application - Genuine BMW - BMW

2 required in each application

Brand:
Genuine BMW - Corporate Logo
ES#:
27207
Mfg#:
11781739845
Ships in 8 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.

$404.99

This product was last offered at the strikethrough price on
07-21-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E70 Return Pipe

ES#514357 - 11427808154 - E70 Return Pipe - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
514357
Mfg#:
11427808154
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.

$397.99

This product was last offered at the strikethrough price on
07-21-2026

$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mounting Grommet - Priced Each

ES#2534479 - 13411733217 - Mounting Grommet - Priced Each - Rubber grommet that helps hold oil seperator or Idle Control Valve - URO - BMW

Rubber grommet that helps hold oil seperator or Idle Control Valve 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534479
Mfg#:
13411733217
In Stock
$12.99

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

$12.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Pipe With Dust Filter

ES#2993886 - 16137438487 - Vent Pipe With Dust Filter - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2993886
Mfg#:
16137438487
In Stock
ON SALE!
$110.99

This product was last offered at the strikethrough price on
06-15-2026

$107.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#3625133 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - FAE - BMW

Fuel control and emissions control sensor

Brand:
FAE - Corporate Logo
ES#:
3625133
Mfg#:
11787545075
In Stock
ON SALE!
$78.99

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

$75.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#25897 - 11617831930 - Crankcase Vent Hose - Runs from the dipstick tube to the intake manifold - Genuine BMW - BMW

Runs from the dipstick tube to the intake manifold

Brand:
Genuine BMW - Corporate Logo
ES#:
25897
Mfg#:
11617831930
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.

$127.99

This product was last offered at the strikethrough price on
07-21-2026

$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Cap

ES#35685 - 16111105835 - Fuel Cap - Gas cap that seals your gas tank. Includes sealing gasket - Genuine BMW - BMW

Gas cap that seals your gas tank. Includes sealing gasket

Brand:
Genuine BMW - Corporate Logo
ES#:
35685
Mfg#:
16111105835
In Stock
3% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
07-21-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator - Crankcase Ventilation System

ES#4609320 - 11151705272b - Oil Separator - Crankcase Ventilation System - Connects to the vent tube which is attached to the PCV valve - Bremmen Parts - BMW

Connects to the vent tube which is attached to the PCV valve 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with production date from 09/1998

Brand:
Bremmen Parts - Corporate Logo
ES#:
4609320
Mfg#:
11151705272B
In Stock
ON SALE! SAVE 17%
$22.99

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

$19.07 USD
Free Shipping
on orders $49 and up
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 For vehicles with production date up to 09/2000

Brand:
Genuine BMW - Corporate Logo
ES#:
37152
Mfg#:
16131184968
Ships in 2 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.

$258.99

This product was last offered at the strikethrough price on
07-21-2026

$243.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Leak Diagnosis Pump

ES#37224 - 16136756440 - Leak Diagnosis Pump - Located under the vehicle, near the transmission bellhousing or in the rear. - Genuine BMW - BMW

Located under the vehicle, near the transmission bellhousing or in the rear. For vehicles with production date up to 09/2001

Brand:
Genuine BMW - Corporate Logo
ES#:
37224
Mfg#:
16136756440
Ships in 1 day
6% 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
07-21-2026

$243.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Pipe - Cylinders 5-8

ES#3493912 - 11157575641 - Crankcase Vent Pipe - Cylinders 5-8 - Replace your damaged crank vent pipe - Rein - BMW

Replace your damaged crank vent pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3493912
Mfg#:
11157575641
In Stock
$45.99

This product was last offered at the strikethrough price on
04-30-2026

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Vent Hose

ES#32891 - 13311722565 - Fuel Vent Hose - Replacement vent hose for the fuel purge system - Genuine BMW - BMW

Replacement vent hose for the fuel purge system

Brand:
Genuine BMW - Corporate Logo
ES#:
32891
Mfg#:
13311722565
In Stock
ON SALE!
$66.99

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

$65.43 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.

Other BMW Engine Emission Parts

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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