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BMW Engine Emission Parts

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ES#4845485 - 11617545382 - Suction Pump (Vacuum Pump) - A common source for vacuum leaks. Rein is an OE style brand that you can trust to replace components at a fraction of the cost. - Rein - BMW

A common source for vacuum leaks. Rein is an OE style brand that you can trust to replace components at a fraction of the cost. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4845485
Mfg#:
11617545382
In Stock
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4858434 - 11157848341 - Crankcase Ventilation Hose - 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#:
4858434
Mfg#:
11157848341
In Stock
ON SALE! SAVE 21%
$54.99

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

$43.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4783145 - 11617533400S1 - "Cold Climate" Crankcase Pressure Regulator Valve Kit - Replace your cracked breather hoses and crankcase pressure valve with all new components! - Hamburg Tech - BMW

Replace your cracked breather hoses and crankcase pressure valve with all new components! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat! Superior performance for both warm and cold climates

Brand:
Hamburg Tech - Corporate Logo
ES#:
4783145
Mfg#:
11617533400S1
Ships in 1-2 days
$110.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#19663 - 11157840446 - Crankcase Pressure Regulator Valve - 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#:
19663
Mfg#:
11157840446
In Stock
12% off MSRP

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

$176.08

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

$155.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3546717 - 022798tms01-15KT - Turner N54 Baffled Oil Catch Can System - Driver Side - E9x, E8x - A 4 chamber, baffled oil catch can complete with a driver side mount and drain system! - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can complete with a driver side mount and drain system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3546717
Mfg#:
022798TMS01-15KT
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 17%
$458.99

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

$382.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3109793 - 11157642546 - CCV Hose - Notorious for failure on most BMWs. - Genuine BMW - BMW

Notorious for failure on most BMWs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3109793
Mfg#:
11157642546
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.

$46.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#25494 - 11611440318 - Air Distributor - Located on top of the intake manifold. Includes new o-rings. - Genuine BMW - BMW

Located on top of the intake manifold. Includes new o-rings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25494
Mfg#:
11611440318
Ships in 3 Business Days
$127.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#27307 - 11787831624 - EGT Sensor - Exhaust gas temperature sensor for the S54 engine - Genuine BMW - BMW

Exhaust gas temperature sensor for the S54 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27307
Mfg#:
11787831624
In Stock
7% off MSRP

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

$162.99

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

$151.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#27153 - 11781433940 - 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

Brand:
Genuine BMW - Corporate Logo
ES#:
27153
Mfg#:
11781433940
Ships in 1-2 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
06-04-2026

$377.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#27124 - 11781247406 - 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

Brand:
Genuine BMW - Corporate Logo
ES#:
27124
Mfg#:
11781247406
Ships in 1-2 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
06-04-2026

$377.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#27207 - 11781739845 - 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

Brand:
Genuine BMW - Corporate Logo
ES#:
27207
Mfg#:
11781739845
Ships in 8 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
06-04-2026

$377.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5443594 - 059015LA02KT - Performance Oil Separator Kit - Includes a new separator, Turner Motorsport silicone breather hose, return hose, and hardware. - Assembled By ECS - BMW

Includes a new separator, Turner Motorsport silicone breather hose, return hose, and hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
5443594
Mfg#:
059015LA02KT
Ships on Sep 8, 2026
Auto Notify
ON SALE! SAVE 20%
$104.96

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

$83.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2571817 - 11127588417 - PCV Vent Pipe - Connects to the PCV outlet on the valve cover - Genuine BMW - BMW

Connects to the PCV outlet on the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2571817
Mfg#:
11127588417
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.

$72.41

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

$68.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2684822 - 11151703484KT1 - Oil Separator Kit - Level 1 - Includes a new separator, hoses, and hardware - Genuine BMW - BMW

Includes a new separator, hoses, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2684822
Mfg#:
11151703484KT1
Ships Today
$186.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#37224 - 16136756440 - Leak Diagnosis Pump - Located under the vehicle, near the transmission bellhousing or in the rear. - Genuine BMW - BMW

Located under the vehicle, near the transmission bellhousing or in the rear. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/2001

Brand:
Genuine BMW - Corporate Logo
ES#:
37224
Mfg#:
16136756440
Ships in 3 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.

$258.99

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

$241.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#33149 - 13417837597 - Hose Elbow - Attaches to the idle regulating valve - Genuine BMW - BMW

Attaches to the idle regulating valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
33149
Mfg#:
13417837597
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.

$67.99

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

$65.99 USD
Free Shipping
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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