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BMW M3 Engine Emission Parts

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Positive Crankcase Ventilation (PCV) Valve

ES#25923 - 11617836553 - Positive Crankcase Ventilation (PCV) Valve - Clear codes & keep your emissions system working properly - Genuine BMW - BMW

Clear codes & keep your emissions system working properly

Brand:
Genuine BMW - Corporate Logo
ES#:
25923
Mfg#:
11617836553
In Stock
14% off MSRP

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

$63.76

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

$55.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S54 CSL Silicone Crankcase Vent Hose

ES#4620697 - 018562LA02 - S54 CSL Silicone Crankcase Vent Hose - Attaches between the oil separator and the CSL air box. - Turner Motorsport - BMW

Attaches between the oil separator and the CSL air box. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4620697
Mfg#:
018562LA02
In Stock
ON SALE! SAVE 25%
$93.99

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

$70.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Control Valve

ES#254257 - 11747810831 - Vacuum Control Valve - Used in emissions and noise reduction systems - Genuine BMW - BMW MINI

Used in emissions and noise reduction systems

Brand:
Genuine BMW - Corporate Logo
ES#:
254257
Mfg#:
11747810831
In Stock
10% off MSRP

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

$61.00

This product was last offered at the strikethrough price on
09-03-2026

$54.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#11025 - 15138 - Front Manifold Oxygen Sensor - Rear Position/Post-Cat - Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine - Bosch - BMW

Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11025
Mfg#:
15138
Ships in 1-2 days
$145.27

This product was last offered at the strikethrough price on
07-31-2026

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Valve

ES#35562 - 13901744150 - Fuel Tank Breather Valve - Breather valve for the fuel system - Genuine BMW - BMW

Breather valve for the fuel system

Brand:
Genuine BMW - Corporate Logo
ES#:
35562
Mfg#:
13901744150
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.

$196.99

This product was last offered at the strikethrough price on
09-03-2026

$192.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Suction Hose

ES#26882 - 11727838504 - Air Pump Suction Hose - Part of your car's emissions system - Genuine BMW - BMW

Part of your car's emissions system

Brand:
Genuine BMW - Corporate Logo
ES#:
26882
Mfg#:
11727838504
Ships in 3 Business Days
6% off MSRP

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

$261.99

This product was last offered at the strikethrough price on
09-03-2026

$245.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve - Priced Each

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"

Brand:
Genuine BMW - Corporate Logo
ES#:
2665069
Mfg#:
11157848155
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.

$479.99

This product was last offered at the strikethrough price on
09-03-2026

$469.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Cap

ES#4643099 - MMR03-1501 - Billet Fuel Cap - Upgraded fuel cap that adds the MMX style - MMX Performance - BMW MINI

Upgraded fuel cap that adds the MMX style

Brand:
MMX Performance - Corporate Logo
ES#:
4643099
Mfg#:
MMR03-1501
Ships on Sep 30, 2026
$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2681738 - 16117222391 - Gas Cap - Original equipment gas cap - while supplies last! - Original Equipment Supplier - BMW MINI

Original equipment gas cap - while supplies last!

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2681738
Mfg#:
16117222391
Ships on Mar 1, 2027
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 1

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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586874
Mfg#:
11151703484KT
Ships on Oct 5, 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

Carbon Competition Fuel Cap Cover

ES#4904975 - BM-0006-BCG - Carbon Competition Fuel Cap Cover - Elevate the aesthetics of your BMW and leave no stone unturned; take your BMW to the next level with the AutoTecknic dry carbon fiber fuel cap cover. - AUTOTECKNIC - BMW MINI

Elevate the aesthetics of your BMW and leave no stone unturned; take your BMW to the next level with the AutoTecknic dry carbon fiber fuel cap cover.

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
4904975
Mfg#:
BM-0006-BCG
In Stock
$65.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#5340306 - 16117222391 - Gas Cap - Complete with sealing gasket and tether. - Hamburg Tech - BMW MINI

Complete with sealing gasket and tether.

Brand:
Hamburg Tech - Corporate Logo
ES#:
5340306
Mfg#:
16117222391
In Stock
ON SALE! SAVE 20%
$24.99

This product was last offered at the strikethrough price on
09-03-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front

ES#4879320 - 11787848482 - Oxygen Sensor - Front - Upstream Oxygen Sensor, priced each - URO - BMW

Upstream Oxygen Sensor, priced each 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4879320
Mfg#:
11787848482
In Stock
$109.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/CCV Kit

ES#4342960 - 11151703484KIT - Oil Separator/CCV Kit - Includes a new separator and hoses - Febi - BMW

Includes a new separator and hoses We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342960
Mfg#:
11151703484KIT
Ships in 2 Business Days
$108.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner S54 Baffled Oil Catch Can System

ES#3458274 - 015515TMS01-01KT - Turner S54 Baffled Oil Catch Can System - A 4 chamber, baffled oil catch can with valved drain system - complete with an application-specific mounting hardware and silicone hoses - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can with valved drain system - complete with an application-specific mounting hardware and silicone hoses 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458274
Mfg#:
015515TMS01-01KT
Ships on Jan 22, 2027
ON SALE! SAVE 25%
$526.99

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

$395.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Service Kit

ES#2718217 - 11157848155KT - Oil Separator Service Kit - Everything you need to service your PCV system - Genuine BMW - BMW

Everything you need to service your PCV system

Brand:
Genuine BMW - Corporate Logo
ES#:
2718217
Mfg#:
11157848155KT
Ships in 3 Business Days
$1085.99 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.

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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