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BMW E30 Engine Emission Parts

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Crankcase Ventilation Hose

ES#2091238 - 11151278804 - Crankcase Ventilation Hose - Prone to cracking and breaking. - MTC - BMW

Prone to cracking and breaking. Fits up to 09/86 production date

Brand:
MTC - Corporate Logo
ES#:
2091238
Mfg#:
11151278804
In Stock
ON SALE!
$3.46

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

$3.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#259461 - 11761466063 - Oxygen Sensor - Restore MPG, Clear Check Engine Lights. - Denso - BMW

Restore MPG, Clear Check Engine Lights. Up to 12/1984

Brand:
Denso - Corporate Logo
ES#:
259461
Mfg#:
11761466063
Back Ordered
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Universal (1 Wire)

ES#258638 - 11027 - Oxygen Sensor - Universal (1 Wire) - 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!
Reuse the plug connector from the original sensor.

Brand:
Bosch - Corporate Logo
ES#:
258638
Mfg#:
11027
In Stock at Vendor
$37.30 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#164588 - 61131379580 - Hose Clamp - Priced Each - Diameter: 24.5mm - Genuine BMW - BMW

Diameter: 24.5mm

Brand:
Genuine BMW - Corporate Logo
ES#:
164588
Mfg#:
61131379580
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 Return Pipe

ES#33555 - 13531734196 - E30 Return Pipe - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
33555
Mfg#:
13531734196
Special Order: No Guaranteed ETA
3% off MSRP

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

$31.99

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

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Drain Kit

ES#3543138 - 20-0024 - Universal Catch Can Drain Kit - Intuitive drain solution for most catch can applications - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Intuitive drain solution for most catch can applications

Brand:
Radium Engineering - Corporate Logo
ES#:
3543138
Mfg#:
20-0024
In Stock at Vendor
$28.99 USD
Free Shipping
on orders $49 and up

Crankcase Ventilation Hose

ES#2802305 - 11151726828 - Crankcase Ventilation Hose - Connected to valve cover connector - Rein - BMW

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

Brand:
Rein - Corporate Logo
ES#:
2802305
Mfg#:
11151726828
Ships in 3 Business Days
$9.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#2534729 - 11151730507 - Crankcase Ventilation Hose - From valve cover breather connector to reducer - URO - BMW

From valve cover breather connector to reducer 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534729
Mfg#:
11151730507
Back Ordered
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

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

Brand:
Genuine BMW - Corporate Logo
ES#:
27176
Mfg#:
11781716114
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
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#2557608 - 11781734796 - Oxygen Sensor - 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#:
2557608
Mfg#:
11781734796
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.

$445.99

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

$418.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

Cure your poor gas mileage by replacing your worn oxygen sensors

Brand:
FAE - Corporate Logo
ES#:
3625104
Mfg#:
11781734796
Ships on Aug 11, 2026
$108.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#2895537 - 11781720860 - Oxygen Sensor - Vemo - BMW

For vehicles with production date from 09/1987

Brand:
Vemo - Corporate Logo
ES#:
2895537
Mfg#:
11781720860
Special Order: No Guaranteed ETA
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

1/8" Barbed Vacuum Fittings - Set Of 10

Perfect for repairing and replacing cracked vacuum lines - Best used with 3mm to 4mm vacuum hoses 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5445719
Mfg#:
125DBCON
Special Order: No Guaranteed ETA
ON SALE! SAVE 59%
$12.99

This product was last offered at the strikethrough price on
03-22-2026

$5.39 USD
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

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

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