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BMW M3 Engine Emission Parts

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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). 10X Entries Into Our F80 M3 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
06-13-2026

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

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. 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

$202.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve

ES#4069284 - 11151703484 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" - Rein - BMW

Commonly referred to as the "oil separator" 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069284
Mfg#:
11151703484
In Stock at Vendor
ON SALE!
$50.99

This product was last offered at the strikethrough price on
08-31-2026

$48.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#19594 - 11151730507 - Crankcase Ventilation Hose - From valve cover breather connector to reducer - Genuine BMW - BMW

From valve cover breather connector to reducer

Brand:
Genuine BMW - Corporate Logo
ES#:
19594
Mfg#:
11151730507
Ships in 1-2 days
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Valve

ES#26872 - 11727837456 - Secondary Air Valve - Also known as an EGR valve - Genuine BMW - BMW

Also known as an EGR valve

Brand:
Genuine BMW - Corporate Logo
ES#:
26872
Mfg#:
11727837456
Ships in 1-2 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
09-04-2026

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

Air Pump Control Valve

ES#26806 - 11727540466 - Air Pump Control Valve - Reduces emissions on cold starts - Genuine BMW - BMW

Reduces emissions on cold starts

Brand:
Genuine BMW - Corporate Logo
ES#:
26806
Mfg#:
11727540466
Ships in 1-2 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
09-04-2026

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

Oxygen Sensor - Priced Each

ES#3625127 - 11787537984 - Oxygen Sensor - Priced Each - Located on the catalytic converters, 2 required - FAE - BMW

Located on the catalytic converters, 2 required

Brand:
FAE - Corporate Logo
ES#:
3625127
Mfg#:
11787537984
Ships on Sep 30, 2026
$94.99 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 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534730
Mfg#:
11151740393
Ships on Oct 5, 2026
Auto Notify
$5.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Vent Hose

ES#25886 - 11617831336 - E46 Vent Hose - Connects the intake to the vent pipe that connects to the dipstick hose - Genuine BMW - BMW

Connects the intake to the vent pipe that connects to the dipstick hose

Brand:
Genuine BMW - Corporate Logo
ES#:
25886
Mfg#:
11617831336
Ships in 1-2 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.

$47.99

This product was last offered at the strikethrough price on
09-04-2026

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E90 M3 Secondary Air Injection Control Valve - Cylinder 1-4

ES#26876 - 11727838028 - E90 M3 Secondary Air Injection Control Valve - Cylinder 1-4 - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
26876
Mfg#:
11727838028
Ships in 1-2 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.

$185.99

This product was last offered at the strikethrough price on
09-04-2026

$174.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E90 M3 Secondary Air Injection Control Valve - Cylinder 5-8

ES#26877 - 11727838029 - E90 M3 Secondary Air Injection Control Valve - Cylinder 5-8 - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
26877
Mfg#:
11727838029
Ships in 3 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.

$185.99

This product was last offered at the strikethrough price on
09-04-2026

$174.99 USD
Free Shipping
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

Brand:
Genuine BMW - Corporate Logo
ES#:
26839
Mfg#:
11727559515
In Stock
ON SALE!
$26.99

This product was last offered at the strikethrough price on
08-12-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#19662 - 11157838370 - O-Ring - Priced Each - O-Ring for Oil Separator - Genuine BMW - BMW

O-Ring for Oil Separator

Brand:
Genuine BMW - Corporate Logo
ES#:
19662
Mfg#:
11157838370
In Stock
10% off MSRP

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

$8.50

This product was last offered at the strikethrough price on
06-08-2026

$7.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Pipe With Dust Filter

ES#37189 - 16132283491 - Vent Pipe With Dust Filter - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
37189
Mfg#:
16132283491
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.

$166.99

This product was last offered at the strikethrough price on
09-03-2026

$163.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E36 Air Pump Intake Hose

ES#26741 - 11721744246 - E36 Air Pump Intake Hose - Runs from air pump into the engine bay - Genuine BMW - BMW

Runs from air pump into the engine bay

Brand:
Genuine BMW - Corporate Logo
ES#:
26741
Mfg#:
11721744246
Back Ordered
2% off MSRP

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

$154.99

This product was last offered at the strikethrough price on
09-04-2026

$151.99 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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