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BMW M3 Engine Emission Parts

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Fuel Tank Filler Cap

ES#36083 - 16116750564 - Fuel Tank Filler Cap - Replace that poorly fitting gas cap - Genuine BMW - BMW

Replace that poorly fitting gas cap

Brand:
Genuine BMW - Corporate Logo
ES#:
36083
Mfg#:
16116750564
In Stock
3% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
07-20-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Valve

ES#4876889 - 13907831770 - Fuel Tank Breather Valve - Fix that rough idle! - Bremmen Parts - BMW

Fix that rough idle! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4876889
Mfg#:
13907831770
In Stock
ON SALE! SAVE 20%
$80.99

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

$64.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S54 Silicone Crankcase Vent Hose Repair Kit

ES#4504787 - 018562LA01 - S54 Silicone Crankcase Vent Hose Repair Kit - Replace the brittle or broken line that attaches between the oil separator and air box. The Turner Silicone Crankcase Hose can be used in place of both the standard and CSL intake manifolds. - Turner Motorsport - BMW

Replace the brittle or broken line that attaches between the oil separator and air box. The Turner Silicone Crankcase Hose can be used in place of both the standard and CSL intake manifolds. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4504787
Mfg#:
018562LA01
In Stock
ON SALE! SAVE 25%
$41.99

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

$31.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Return Pipe

ES#19657 - 11157832781 - Oil Separator Return Pipe - Return pipe for the oil separator system - Genuine BMW - BMW

Return pipe for the oil separator system

Brand:
Genuine BMW - Corporate Logo
ES#:
19657
Mfg#:
11157832781
Ships in 3 Business Days
2% off MSRP

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

$314.99

This product was last offered at the strikethrough price on
07-20-2026

$307.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Cap

ES#25569 - 11611727176 - Vacuum Cap - Diameter is 7.0MM - Genuine BMW - BMW

Diameter is 7.0MM

Brand:
Genuine BMW - Corporate Logo
ES#:
25569
Mfg#:
11611727176
In Stock
$8.99

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

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Secondary Air Pump

ES#2574722 - 11727837138 - E46 Secondary Air Pump - Common source of emissons related issues - Pierburg - BMW

Common source of emissons related issues

Brand:
Pierburg - Corporate Logo
ES#:
2574722
Mfg#:
11727837138
Special Order: No Guaranteed ETA
$298.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Control Valve

ES#5388809 - 11747810831 - Vacuum Control Valve - Used in emissions and noise reduction systems - Bremmen Parts - BMW

Used in emissions and noise reduction systems 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5388809
Mfg#:
11747810831
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 21%
$26.99

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

$21.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Chacoal canister Breather Hose

ES#37026 - 16131182866 - Chacoal canister Breather Hose - Pipe for the charcoal canister - Genuine BMW - BMW

Pipe for the charcoal canister

Brand:
Genuine BMW - Corporate Logo
ES#:
37026
Mfg#:
16131182866
Ships in 10 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.

$147.99

This product was last offered at the strikethrough price on
07-20-2026

$143.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Check Valve

ES#25394 - 11611312737 - Check Valve - Common source of emission related issues - Genuine BMW - BMW

Common source of emission related issues

Brand:
Genuine BMW - Corporate Logo
ES#:
25394
Mfg#:
11611312737
Ships in 5 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.

$42.99

This product was last offered at the strikethrough price on
07-20-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve

ES#19663 - 11157840446 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" - Genuine BMW - BMW

Commonly referred to as the "oil separator"

Brand:
Genuine BMW - Corporate Logo
ES#:
19663
Mfg#:
11157840446
In Stock
ON SALE!
$155.01

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

$143.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CSL Crankcase Vent Hose - AN Lines and Fittings (00-04.5)

ES#4685366 - 043464LA02 - CSL Crankcase Vent Hose - AN Lines and Fittings (00-04.5) - 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. 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles Fitted with a CSL Intake Plenum

Brand:
Turner Motorsport - Corporate Logo
ES#:
4685366
Mfg#:
043464LA02
In Stock
ON SALE! SAVE 20%
$178.99

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

$143.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2767046 - 11787848487 - Oxygen Sensor - Priced Each - Located after the catalytic converter on the shorter downpipe. - Genuine BMW - BMW

Located after the catalytic converter on the shorter downpipe. Located in the rear downstream position

Brand:
Genuine BMW - Corporate Logo
ES#:
2767046
Mfg#:
11787848487
Ships in 3 Business Days
13% off MSRP

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

$325.99

This product was last offered at the strikethrough price on
07-20-2026

$281.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Rear Oxygen Sensor - Black

ES#27266 - 11787539125 - E9X M3 Rear Oxygen Sensor - Black - Located on the catalytic converters, 2 required - Genuine BMW - BMW

Located on the catalytic converters, 2 required

Brand:
Genuine BMW - Corporate Logo
ES#:
27266
Mfg#:
11787539125
Ships in 3 Business Days
13% off MSRP

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

$325.99

This product was last offered at the strikethrough price on
07-20-2026

$281.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2767797 - 11787848486 - Oxygen Sensor - Priced Each - Located after the catalytic converter on the longer downpipe. - Genuine BMW - BMW

Located after the catalytic converter on the longer downpipe. Located in the front downstream position

Brand:
Genuine BMW - Corporate Logo
ES#:
2767797
Mfg#:
11787848486
Ships in 3 Business Days
13% off MSRP

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

$325.99

This product was last offered at the strikethrough price on
07-20-2026

$281.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Control Valve

ES#2561203 - 11727540466 - Air Pump Control Valve - Reduces emissions on cold starts - Pierburg - BMW

Reduces emissions on cold starts

Brand:
Pierburg - Corporate Logo
ES#:
2561203
Mfg#:
11727540466
Ships in 1 day
$136.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Nut - Priced Each

ES#241175 - 07119905515 - Hex Nut - Priced Each - Used in various locations - Genuine BMW - BMW MINI

Used in various locations

Brand:
Genuine BMW - Corporate Logo
ES#:
241175
Mfg#:
07119905515
In Stock
$1.99 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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