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BMW E30 Engine Emission Parts

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Oxygen Sensor

ES#3031887 - 11781716114 - Oxygen Sensor - Located in the front portion of the center muffler assembly - Bosch - BMW

Located in the front portion of the center muffler assembly We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1987

Brand:
Bosch - Corporate Logo
ES#:
3031887
Mfg#:
11781716114
Ships in 2 Business Days
$173.99

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

$146.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Hose

ES#26986 - 11747797177 - Vacuum Hose - Used in a variety of vehicles. Measurements: 3.3x1.8 - Genuine BMW - BMW

Used in a variety of vehicles. Measurements: 3.3x1.8

Brand:
Genuine BMW - Corporate Logo
ES#:
26986
Mfg#:
11747797177
Ships in 3 Business Days
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#27187 - 11781720860 - Oxygen Sensor - Located in the front portion of the center muffler assembly - Genuine BMW - BMW

Located in the front portion of the center muffler assembly For vehicles with production date from 09/1987

Brand:
Genuine BMW - Corporate Logo
ES#:
27187
Mfg#:
11781720860
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.

$445.99

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

$418.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#2862750 - 11781716156 - Oxygen Sensor - Keep your BMW running in tip top condition. - Bosch - BMW

Keep your BMW running in tip top condition. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2862750
Mfg#:
11781716156
Ships in 1 Business Day
$153.18

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

$139.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Cap

ES#25468 - 11611437560 - Vacuum Cap - Used in various locations under the hood - Genuine BMW - BMW

Used in various locations under the hood

Brand:
Genuine BMW - Corporate Logo
ES#:
25468
Mfg#:
11611437560
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#27178 - 11781716156 - Oxygen Sensor - Keep your BMW running in tip top condition. - Genuine BMW - BMW

Keep your BMW running in tip top condition.

Brand:
Genuine BMW - Corporate Logo
ES#:
27178
Mfg#:
11781716156
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
09-03-2026

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

IE Vent To Atmosphere Billet Catch Can - Universal Fitment

ES#2794762 - IEDIYUU18 - IE Vent To Atmosphere Billet Catch Can - Universal Fitment - Prevent crankcase oil fumes from condensing and filling your intake piping, turbo piping, intercooler, intake manifold, and breather system - Integrated Engineering - Audi BMW Volkswagen MINI

Prevent crankcase oil fumes from condensing and filling your intake piping, turbo piping, intercooler, intake manifold, and breather system

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794762
Mfg#:
IEDIYUU18
Ships in 1 Business Day
ON SALE! SAVE 10%
$186.99

This product was last offered at the strikethrough price on
09-02-2026

$168.29 USD
Free Shipping

E30 M3 CCV hose

ES#19521 - 11151310814 - E30 M3 CCV hose - From oil separator to side of valve cover - Genuine BMW - BMW

From oil separator to side of valve cover

Brand:
Genuine BMW - Corporate Logo
ES#:
19521
Mfg#:
11151310814
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.

$59.99

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

$58.99 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 Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2580371
Mfg#:
11151708801
In Stock
ON SALE! SAVE 50%
$18.99

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

$9.41 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
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Catch Can O-ring

ES#3097721 - N1.50X051 - ECS Catch Can O-ring - Replacement ECS catch can O-ring - ECS - Audi BMW Volkswagen MINI

Replacement ECS catch can O-ring 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE! SAVE 25%
$5.99

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

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Filler Cap

ES#2802981 - 16116750564 - Fuel Tank Filler Cap - Replace that poorly fitting gas cap - Rein - BMW

Replace that poorly fitting gas cap 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802981
Mfg#:
16116750564
In Stock
ON SALE!
$25.99

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

$24.69 USD
Free Shipping
on orders $49 and up

Intake Hose

ES#26226 - 11631278051 - Intake Hose - Runs from idle control valve to the intake boot - Genuine BMW - BMW

Runs from idle control valve to the intake boot

Brand:
Genuine BMW - Corporate Logo
ES#:
26226
Mfg#:
11631278051
In Stock
4% off MSRP

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

$25.99

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

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

Adjusting Bracket Bushing

ES#26556 - 11721261404 - Adjusting Bracket Bushing - For alternator and air pump brackets. - Genuine BMW - BMW

For alternator and air pump brackets.

Brand:
Genuine BMW - Corporate Logo
ES#:
26556
Mfg#:
11721261404
In Stock
$7.99 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). 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

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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