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BMW E34 Engine Emission Parts

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ES#3450091 - 11151747978 - Oil Separator O-Ring - Priced Each  - Seals the vent pipe to the oil separator - Kayser - BMW

Seals the vent pipe to the oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kayser - Corporate Logo
ES#:
3450091
Mfg#:
11151747978
Ships in 1-2 days
$5.99

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

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#19591 - 11151730342 - Hose Clamp - Priced Each - Used for crankcase vent hoses and cooling hoses - Genuine BMW - BMW

Used for crankcase vent hoses and cooling hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19591
Mfg#:
11151730342
Ships in 6 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2602674 - 11151726828 - Crankcase Ventilation Hose - Connected to valve cover connector - Elaplast - BMW

Connected to valve cover connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Elaplast - Corporate Logo
ES#:
2602674
Mfg#:
11151726828
Back Ordered
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2091332 - 11727505259 - EGR Valve Gasket - Seals valve to the exhaust pipe - MTC - BMW

Seals valve to the exhaust pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2091332
Mfg#:
11727505259
Back Ordered
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Eliminate that check engine light affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 06/1994

Brand:
Bosch - Corporate Logo
ES#:
3023820
Mfg#:
11781747005
In Stock at Vendor
$119.99

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

$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#210947 - 11781741317 - Oxygen Sensor - Priced Each - The oxygen sensor located just before the catalytic converter - Genuine BMW - BMW

The oxygen sensor located just before the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission and production date from 06/1994

Brand:
Genuine BMW - Corporate Logo
ES#:
210947
Mfg#:
11781741317
Ships in 9 Business Days
7% 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
06-03-2026

$377.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#27210 - 11781742023 - Oxygen Sensor - Priced Each - 2 Required in each application - Genuine BMW - BMW

2 Required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 06/1994

Brand:
Genuine BMW - Corporate Logo
ES#:
27210
Mfg#:
11781742023
Ships in 9 Business Days
7% 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
06-03-2026

$415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2977052 - 11781735680 - Oxygen Sensor - Fuel control and emissions control sensor - Genuine BMW - BMW

Fuel control and emissions control sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2977052
Mfg#:
11781735680
Ships in 9 Business Days
7% 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
06-03-2026

$415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

The oxygen sensor located just before the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
L=380Mm

Brand:
Bosch - Corporate Logo
ES#:
4316451
Mfg#:
11781247475
Special Order: No Guaranteed ETA
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5339192 - 074.440 - EGR Valve Gasket - Seals the EGR valve to the exhaust - Elring - BMW

Seals the EGR valve to the exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Elring - Corporate Logo
ES#:
5339192
Mfg#:
074.440
Special Order: No Guaranteed ETA
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Perfect for repairing and replacing cracked vacuum lines - Best used with 3mm to 4mm vacuum hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
ES#4069705 - 11617501562 - Intake Manifold Cover (PCV) - Does not include gasket - Meyle - BMW

Does not include gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4069705
Mfg#:
11617501562
Special Order: No Guaranteed ETA
$55.99 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

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

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