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BMW Engine Emission Parts

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ES#4876952 - 056926LA01 - M57 Upgraded Silicone PCV Hose - The PCV heater hose fails in one spot, the actual accordion portion. Replace the weak link in your PCV hose with our silicone upgrade! - Turner Motorsport - BMW

The PCV heater hose fails in one spot, the actual accordion portion. Replace the weak link in your PCV hose with our silicone upgrade! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4876952
Mfg#:
056926LA01
In Stock
ON SALE! SAVE 40%
$29.99

This product was last offered at the strikethrough price on
05-02-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3153154 - 11158661697 - BMW Crank Case Vent - N74 V12 - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3153154
Mfg#:
11158661697
Ships in 3 Business Days
3% off MSRP

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

$536.99

This product was last offered at the strikethrough price on
06-03-2026

$521.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3178381 - 11157848341 - Genuine BMW Crankcase Ventilation Hose - Connects the crankcase vent pipe to the valve cover. - Genuine BMW - BMW

Connects the crankcase vent pipe to the valve cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3178381
Mfg#:
11157848341
In Stock
5% off MSRP

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

$146.99

This product was last offered at the strikethrough price on
03-04-2026

$138.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#254461 - 16197244138 - DEF/Urea Tank - Holds diesel exhaust fluid - Genuine BMW - BMW

Holds diesel exhaust fluid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
254461
Mfg#:
16197244138
Ships in 3 Business Days
5% off MSRP

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

$2179.99

This product was last offered at the strikethrough price on
06-03-2026

$2067.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2706933 - 16197260216 - SCR CONTAINER ACTIVE - BMW SCR tank stores and supplies DEF for emissions reduction system. - Genuine BMW - BMW

BMW SCR tank stores and supplies DEF for emissions reduction system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2706933
Mfg#:
16197260216
Ships in 3 Business Days
3% off MSRP

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

$2119.99

This product was last offered at the strikethrough price on
06-03-2026

$2048.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2586874 - 11151703484KT - Oil Separator Kit - Level 1 - Includes a new separator, hoses, and hardware - Assembled By ECS - BMW

Includes a new separator, hoses, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586874
Mfg#:
11151703484KT
Ships on Sep 1, 2026
Auto Notify
ON SALE! SAVE 25%
$91.96

This product was last offered at the strikethrough price on
05-02-2026

$68.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4609177 - 13907618643 - Fuel Tank Ventilation Valve Pipe - Allows fuel fumes to vent into the engine's intake - Bremmen Parts - BMW

Allows fuel fumes to vent into the engine's intake affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4609177
Mfg#:
13907618643
In Stock
ON SALE! SAVE 15%
$44.99

This product was last offered at the strikethrough price on
05-02-2026

$38.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2574862 - 11727553056 - E46 Secondary Air Pump - Located in the right portion of the engine bay, near the shock tower and windshield wiper fluid reservoir - Pierburg - BMW
ECS Tuning recommends this product.

Located in the right portion of the engine bay, near the shock tower and windshield wiper fluid reservoir affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
2574862
Mfg#:
11727553056
Ships in 1-2 days
$328.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4674488 - 13628589846 - Oxygen Sensor/Lambda Probe - Length = 915MM - Hamburg Tech - BMW

Length = 915MM affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4674488
Mfg#:
13628589846
In Stock
$388.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3463450 - 11157646086 - Crankcase Ventilation Connecting Pipe - Cylinders 1-4 - Connects the crankcase vent pipe to the valve cover. - Bremmen Parts - BMW

Connects the crankcase vent pipe to the valve cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3463450
Mfg#:
11157646086
In Stock
ON SALE! SAVE 21%
$52.99

This product was last offered at the strikethrough price on
05-02-2026

$41.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#254159 - 11537806706 - E70 Return Pipe - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
254159
Mfg#:
11537806706
In Stock
5% off MSRP

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

$255.99

This product was last offered at the strikethrough price on
06-03-2026

$242.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5373987 - 058973LA02 - N52 Upgraded Silicone CCV Hose (11157522931) - Replace your failure-prone plastic breather hose with a durable, long-lasting solution! - Turner Motorsport - BMW

Replace your failure-prone plastic breather hose with a durable, long-lasting solution! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
5373987
Mfg#:
058973LA02
In Stock
$99.99 USD
Free Shipping
ES#11024 - 13952 - Rear Manifold Oxygen Sensor - Front Position/Pre-Cat - Also BMW # 11781405324. Located in the front position of the exhaust manifold for cylinders 4-6 on the S54 engine - Bosch - BMW

Also BMW # 11781405324. Located in the front position of the exhaust manifold for cylinders 4-6 on the S54 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11024
Mfg#:
13952
In Stock at Vendor
$120.99

This product was last offered at the strikethrough price on
12-19-2025

$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#35630 - 13907831770 - Fuel Tank Breather Valve - Fix that rough idle - Genuine BMW - BMW

Fix that rough idle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
35630
Mfg#:
13907831770
In Stock
1% off MSRP

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

$103.99

This product was last offered at the strikethrough price on
06-03-2026

$102.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2665069 - 11157848155 - Crankcase Pressure Regulator Valve - Priced Each - Commonly referred to as the "oil separator" - Genuine BMW - BMW

Commonly referred to as the "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2665069
Mfg#:
11157848155
Ships in 1-2 days
3% off MSRP

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

$479.99

This product was last offered at the strikethrough price on
06-03-2026

$465.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2976988 - 11158601619 - Crankcase Ventilation Hose  - Directs crankcase gases to intake, reduces emissions, boosts engine efficiency. - Genuine BMW - BMW

Directs crankcase gases to intake, reduces emissions, boosts engine efficiency. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2976988
Mfg#:
11158601619
Ships in 3 Business Days
5% off MSRP

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

$394.99

This product was last offered at the strikethrough price on
06-03-2026

$374.99 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.

Other BMW Engine Emission Parts

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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