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BMW E46 M3 S54 3.2L Engine Emission Parts

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ES#4685682 - 043464LA03 - CSL Crankcase Vent Hose - AN Lines and Fittings (04.5-06) - A combination of billet fittings and AN lines for an upgraded and serviceable crankcase vent hose. Attaches between the oil separator and the CSL air box. - Turner Motorsport - BMW

A combination of billet fittings and AN lines for an upgraded and serviceable crankcase vent hose. Attaches between the oil separator and the CSL air box. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4685682
Mfg#:
043464LA03
In Stock
ON SALE! SAVE 20%
$177.99

This product was last offered at the strikethrough price on
06-13-2026

$142.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#14746 - 07119905546 - Hex Screw With Flange - Priced Each - M6x20 - Genuine BMW - BMW MINI

M6x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the oil seperator to the engine

Brand:
Genuine BMW - Corporate Logo
ES#:
14746
Mfg#:
07119905546
Ships in 1 Business Day
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#37081 - 16131183912 - Sealing Grommet - See MOQKT - Genuine BMW - BMW MINI

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

Brand:
Genuine BMW - Corporate Logo
ES#:
37081
Mfg#:
16131183912
In Stock at Vendor
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#26760 - 11727505259 - EGR Valve Gasket - Seals valve to the head - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
26760
Mfg#:
11727505259
In Stock
ON SALE! SAVE 11%
$13.99

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

$12.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4845695 - 11157831311 - Crankcase Vent Hose - This runs from oil separator to the intake manifold. - Rein - BMW

This runs from oil separator to the intake manifold. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4845695
Mfg#:
11157831311
Ships in 1 Business Day
ON SALE!
$11.99

This product was last offered at the strikethrough price on
06-29-2026

$11.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818520 - 11157831311 - Crankcase Vent Hose - Runs from oil separator to the intake manifold - Bremmen Parts - BMW

Runs from oil separator to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818520
Mfg#:
11157831311
In Stock
ON SALE! SAVE 21%
$30.99

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

$24.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2779658 - 11157840446 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" - Vaico - BMW

Commonly referred to as the "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2779658
Mfg#:
11157840446
Ships on Oct 27, 2026
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#19655 - 11157831311 - Crankcase Vent Hose - Runs from oil separator to the intake manifold - Genuine BMW - BMW

Runs from oil separator to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19655
Mfg#:
11157831311
In Stock
ON SALE!
$99.99

This product was last offered at the strikethrough price on
06-15-2026

$92.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5051 - ATP-FLS-022 - Universal Oxygen Sensor Bung - Priced Each - Stainless steel weld-in nut for any O2 sensor - ATP - Audi BMW Volkswagen

Stainless steel weld-in nut for any O2 sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 6 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#36921 - 16131177494 - Tubing Support - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
36921
Mfg#:
16131177494
Ships in 2 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#26873 - 11727837591 - Air hose elbow - Used in the vacuum control system - Genuine BMW - BMW

Used in the vacuum control system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26873
Mfg#:
11727837591
Ships in 2 Business Days
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#33137 - 13417831793 - Hose Clamp - Used to secure your air line to the regulating valve - Genuine BMW - BMW MINI

Used to secure your air line to the regulating valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
33137
Mfg#:
13417831793
Ships in 2 Business Days
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
07-02-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#25900 - 11617832298 - E46 M3 PCV Pipe - Part of the crank case vent system - Genuine BMW - BMW

Part of the crank case vent system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25900
Mfg#:
11617832298
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.

$72.99

This product was last offered at the strikethrough price on
07-02-2026

$70.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2598492 - 11611437560KT - Vacuum Cap - Pack Of 10 - Used in various locations under the hood - Genuine BMW - BMW

Used in various locations under the hood affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2598492
Mfg#:
11611437560KT
In Stock
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Radium Engineering - Corporate Logo
ES#:
3543138
Mfg#:
20-0024
In Stock at Vendor
$28.99 USD
Free Shipping
on orders $49 and up
ES#4752681 - 11157831311 - Crankcase Vent Hose - Runs from the oil separator to the intake manifold. - URO - BMW

Runs from the oil separator to the intake manifold. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4752681
Mfg#:
11157831311
In Stock
ON SALE!
$17.99

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

$17.09 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.

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

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