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BMW E30 Engine Emission Parts

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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. 2X Entries For Our 25th Anniversary Sweepstakes!
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

$144.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 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 6 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
07-17-2026

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

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 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.

$59.99

This product was last offered at the strikethrough price on
07-17-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Filler Cap

ES#36083 - 16116750564 - Fuel Tank Filler Cap - Replace that poorly fitting gas cap - Genuine BMW - BMW

Replace that poorly fitting gas cap

Brand:
Genuine BMW - Corporate Logo
ES#:
36083
Mfg#:
16116750564
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
07-17-2026

$67.99 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 7 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
07-17-2026

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

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 2X Entries For Our 25th Anniversary Sweepstakes!
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
In Stock at Vendor
$173.99

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

$168.99 USD
Free Shipping
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

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

E30 M3 CCV hose

ES#19520 - 11151310811 - E30 M3 CCV hose - From the oil separator to the bottom of the manifold - Genuine BMW - BMW

From the oil separator to the bottom of the manifold

Brand:
Genuine BMW - Corporate Logo
ES#:
19520
Mfg#:
11151310811
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.

$50.99

This product was last offered at the strikethrough price on
07-17-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
07-17-2026

$24.99 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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802981
Mfg#:
16116750564
Ships in 9 Business Days
Auto Notify
ON SALE!
$25.99

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

$24.69 USD
Free Shipping
on orders $49 and up

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 For Our 25th Anniversary 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

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 For Our 25th Anniversary 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

Crankcase Ventilation Hose

ES#2534561 - 11151708801 - Crankcase Ventilation Hose - Prone to cracking and breaking. - URO - BMW

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

Brand:
URO - Corporate Logo
ES#:
2534561
Mfg#:
11151708801
Ships in 1 Business Day
$8.03 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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