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BMW Z4 2.5i M54 2.5L

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BMW Z4 2.5i M54 2.5L Engine Emission Parts

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EGR Valve Gasket

ES#2091332 - 11727505259 - EGR Valve Gasket - Seals valve to the exhaust pipe - MTC - BMW

Seals valve to the exhaust pipe

Brand:
MTC - Corporate Logo
ES#:
2091332
Mfg#:
11727505259
Back Ordered
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#3698893 - 11611432559 - Crankcase Ventilation Hose - From oil separator to valve cover - Burgaflex - BMW

From oil separator to valve cover

Brand:
Burgaflex - Corporate Logo
ES#:
3698893
Mfg#:
11611432559
Ships in 8 Business Days
$19.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW Breather Valve

ES#4343189 - 11617533398S2 - BMW Breather Valve - Hose kit for your Crankcase ventilation system - Febi - BMW

Hose kit for your Crankcase ventilation system We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343189
Mfg#:
11617533398S2
Ships in 1 Business Day
$136.25 USD
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Dipstick Hose

ES#2762150 - 11157532629 - Crankcase Ventilation Dipstick Hose - From oil separator to dipstick tube - URO - BMW

From oil separator to dipstick tube 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2762150
Mfg#:
11157532629
Ships in 1 Business Day
$12.99 USD
Free Shipping
on orders $49 and up

Return Pipe

Runs from the intake manifold back to connecting hose

Brand:
Burgaflex - Corporate Logo
ES#:
3698894
Mfg#:
11617504536
Ships in 8 Business Days
$13.99 USD
Free Shipping

Oxygen Sensor

ES#27237 - 11787513962 - Oxygen Sensor - Genuine BMW - BMW

Rear

Brand:
Genuine BMW - Corporate Logo
ES#:
27237
Mfg#:
11787513962
Ships in 1 day
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
09-09-2026

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

Oxygen Sensor

ES#27238 - 11787513963 - Oxygen Sensor - 990mm length - Genuine BMW - BMW

990mm length

Brand:
Genuine BMW - Corporate Logo
ES#:
27238
Mfg#:
11787513963
Ships in 1 day
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
09-09-2026

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

Oxygen Sensor - Priced Each

ES#27211 - 11781742050 - Oxygen Sensor - Priced Each - 2 Required in each application - Genuine BMW - BMW

2 Required in each application

Brand:
Genuine BMW - Corporate Logo
ES#:
27211
Mfg#:
11781742050
Ships in 1 day
6% off MSRP

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

$489.99

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

$460.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

Prevent vacuum leaks and restore optimal engine breathing with a brand-new replacement from Burgaflex.

Brand:
Burgaflex - Corporate Logo
ES#:
3698886
Mfg#:
11157532649
Ships in 10 Business Days
Auto Notify
$9.99 USD
Free Shipping
on orders $49 and up

EGR Valve Gasket

ES#5339192 - 074.440 - EGR Valve Gasket - Seals the EGR valve to the exhaust - Elring - BMW

Seals the EGR valve to the exhaust 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5339192
Mfg#:
074.440
Special Order: No Guaranteed ETA
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filler Cap

ES#4343365 - 16116767739 - Fuel Filler Cap - Address fuel vapor leaks (or broken tethers and lost caps) with this replacement gas cap - Febi - BMW

Address fuel vapor leaks (or broken tethers and lost caps) with this replacement gas cap We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343365
Mfg#:
16116767739
Special Order: No Guaranteed ETA
$31.99 USD
This product is lifetime replacement eligible Lifetime Replacement

1/8" Barbed Vacuum Fittings - Set Of 10

Perfect for repairing and replacing cracked vacuum lines - Best used with 3mm to 4mm vacuum hoses 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5445719
Mfg#:
125DBCON
Special Order: No Guaranteed ETA
ON SALE! SAVE 59%
$12.99

This product was last offered at the strikethrough price on
03-22-2026

$5.39 USD
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#3672460 - 11617504535 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold. Made in Germany. - Meyle - BMW

Runs from the top of the oil separator up to intake manifold. Made in Germany. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3672460
Mfg#:
11617504535
Back Ordered
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve - Cold Climate Version

Commonly referred to as the "oil separator" Superior performance for both warm and cold climates

Brand:
Atlantic Enterprises
ES#:
2602981
Mfg#:
11617533400
Back Ordered
$71.99

This product was last offered at the strikethrough price on
05-07-2026

$69.99 USD
Free Shipping
on orders $49 and up

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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