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BMW Engine Emission Parts

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Fuel Tank Breather Valve

ES#4876889 - 13907831770 - Fuel Tank Breather Valve - Fix that rough idle! - Bremmen Parts - BMW

Fix that rough idle! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4876889
Mfg#:
13907831770
In Stock
ON SALE! SAVE 20%
$80.99

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

$64.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Insulation Valve

ES#2920003 - 16137303949 - Insulation Valve - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2920003
Mfg#:
16137303949
Ships in 3 Business Days
4% off MSRP

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

$337.00

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

$321.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#35961 - 16111184717 - Gas Cap - Complete with sealing gasket - Genuine BMW - BMW

Complete with sealing gasket For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
35961
Mfg#:
16111184717
Ships in 1-2 days
ON SALE!
$67.99

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

$64.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Return Pipe

ES#4759033 - 11157567801 - Crankcase Ventilation Return Pipe - Located under intake manifold - URO - BMW

Located under intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4759033
Mfg#:
11157567801
Ships in 1 Business Day
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#2580371 - 11151708801 - Crankcase Ventilation Hose - Prone to cracking and breaking. - Rein - BMW

Prone to cracking and breaking. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2580371
Mfg#:
11151708801
In Stock
ON SALE! SAVE 48%
$18.99

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

$9.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump

ES#2778214 - 11727571591 - Secondary Air Pump - Common source of emissons related issues - Pierburg - BMW

Common source of emissons related issues

Brand:
Pierburg - Corporate Logo
ES#:
2778214
Mfg#:
11727571591
Ships in 1 day
$315.05 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve Service Kit

ES#2778979 - 11151406788KT2 - Oil Separator Valve Service Kit - The most commonly replaced components in your breather system - Assembled By ECS - BMW

The most commonly replaced components in your breather system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778979
Mfg#:
11151406788KT2
Back Ordered
Auto Notify
$314.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CCV Hose

ES#3493893 - 11617563477 - CCV Hose - Responsible for crank case ventilation - Rein - BMW

Responsible for crank case ventilation 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with a production date from 11/2006+

Brand:
Rein - Corporate Logo
ES#:
3493893
Mfg#:
11617563477
Ships in 1 day
$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S54 Silicone Crankcase Vent Hose Repair Kit

ES#4504787 - 018562LA01 - S54 Silicone Crankcase Vent Hose Repair Kit - Replace the brittle or broken line that attaches between the oil separator and air box. The Turner Silicone Crankcase Hose can be used in place of both the standard and CSL intake manifolds. - Turner Motorsport - BMW

Replace the brittle or broken line that attaches between the oil separator and air box. The Turner Silicone Crankcase Hose can be used in place of both the standard and CSL intake manifolds. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4504787
Mfg#:
018562LA01
In Stock
ON SALE! SAVE 25%
$41.99

This product was last offered at the strikethrough price on
06-13-2026

$31.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Hose - From Breather Valve

ES#2542575 - 13907636124 - Fuel Tank Breather Hose - From Breather Valve - Genuine BMW - BMW

For vehicles with production date up to 09/11, also use: (Qty.) (1) 13 90 7 636 153 breather valve.

Brand:
Genuine BMW - Corporate Logo
ES#:
2542575
Mfg#:
13907636124
Ships in 3 Business Days
4% off MSRP

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

$81.00

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

$77.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Return Pipe

ES#19657 - 11157832781 - Oil Separator Return Pipe - Return pipe for the oil separator system - Genuine BMW - BMW

Return pipe for the oil separator system

Brand:
Genuine BMW - Corporate Logo
ES#:
19657
Mfg#:
11157832781
Ships in 3 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.

$314.99

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

$307.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crank Case Breather Pipe

ES#4845484 - 11151705301 - Crank Case Breather Pipe - Used to connect the oil separator to the crank case vent - Rein - BMW

Used to connect the oil separator to the crank case vent 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4845484
Mfg#:
11151705301
Back Ordered
Auto Notify
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front Position

ES#2848375 - 11788600992 - Oxygen Sensor - Front Position - Cure your poor gas mileage by replacing your worn oxygen sensors - Genuine BMW - BMW

Cure your poor gas mileage by replacing your worn oxygen sensors

Brand:
Genuine BMW - Corporate Logo
ES#:
2848375
Mfg#:
11788600992
Ships in 3 Business Days
13% off MSRP

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

$352.99

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

$306.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit

ES#2682341 - 11151747066KT - Oil Separator Kit - The most commonly replaced components in your breather system - Genuine BMW - BMW

The most commonly replaced components in your breather system For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2682341
Mfg#:
11151747066KT
Ships in 5 Business Days
$306.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#4135442 - 11781743996 - Oxygen Sensor - Bosch - BMW

2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4135442
Mfg#:
11781743996
In Stock at Vendor
$156.99

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

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Cap

ES#25569 - 11611727176 - Vacuum Cap - Diameter is 7.0MM - Genuine BMW - BMW

Diameter is 7.0MM

Brand:
Genuine BMW - Corporate Logo
ES#:
25569
Mfg#:
11611727176
In Stock
$8.99

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

$7.99 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.

Other BMW Engine Emission Parts

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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