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BMW E90 Engine Emission Parts

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Oil Separator Valve

ES#4069281 - 11617531423 - Oil Separator Valve - A common part to fail in cold weather - Rein - BMW

A common part to fail in cold weather 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069281
Mfg#:
11617531423
Ships in 4 Business Days
$120.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Return Tube - Oil Pan to Crankcase Vent Hose

ES#24238 - 11437527133 - Engine Oil Return Tube - Oil Pan to Crankcase Vent Hose - Genuine BMW - BMW

Also use: (Qty.) (1) 11 42 7 548 322 o-ring.

Brand:
Genuine BMW - Corporate Logo
ES#:
24238
Mfg#:
11437527133
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.

$20.99

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

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

O-Ring - Priced Each

ES#3647910 - 13547792098 - O-Ring - Priced Each - O-Ring for EGR - Victor Reinz - BMW

O-Ring for EGR

Brand:
Victor Reinz - Corporate Logo
ES#:
3647910
Mfg#:
13547792098
Ships in 2 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#2771255 - 11617531423 - Oil Separator Valve - A common part to fail in cold weather - Vaico - BMW

A common part to fail in cold weather We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2771255
Mfg#:
11617531423
In Stock at Vendor
$120.99

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

$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#3173527 - 11157522931 - Crankcase Vent Hose - From oil separator to valve cover - Vaico - BMW

From oil separator to valve cover We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3173527
Mfg#:
11157522931
In Stock
ON SALE!
$61.99

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

$58.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tubing Support

ES#36921 - 16131177494 - Tubing Support - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
36921
Mfg#:
16131177494
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Bank 2 Pre-Cat

ES#3625140 - 11787558073 - Oxygen Sensor - Bank 2 Pre-Cat - Located in the front position of the exhaust manifold - FAE - BMW

Located in the front position of the exhaust manifold

Brand:
FAE - Corporate Logo
ES#:
3625140
Mfg#:
11787558073
In Stock
ON SALE!
$117.99

This product was last offered at the strikethrough price on
07-14-2026

$114.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#4460474 - 3148030031 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Meyle - BMW
ECS Tuning recommends this product.

Fuel control and emissions control sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4460474
Mfg#:
3148030031
Ships on Nov 30, 2026
$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Backpressure Sensor - Priced Each

ES#254354 - 13627805758 - Exhaust Backpressure Sensor - Priced Each - (Differential Pressure Sensor) - Genuine BMW - BMW

(Differential Pressure Sensor)

Brand:
Genuine BMW - Corporate Logo
ES#:
254354
Mfg#:
13627805758
Ships in 3 Business Days
9% off MSRP

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

$122.99

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

$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#4759032 - 11157567802 - Crankcase Ventilation Hose - Located under intake manifold - URO - BMW

Located under intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4759032
Mfg#:
11157567802
Ships in 2 Business Days
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Grommet

ES#37081 - 16131183912 - Sealing Grommet - See MOQKT - Genuine BMW - BMW MINI

See MOQKT

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

Front Oxygen Sensor - Bank 2 Pre-Cat

Emissions and fuel control sensor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5482451
Mfg#:
11787558087
Ships on Nov 6, 2026
Auto Notify
$109.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Black

ES#3625129 - 11787539125 - Oxygen Sensor - Black - Located on the catalytic converters - FAE - BMW

Located on the catalytic converters

Brand:
FAE - Corporate Logo
ES#:
3625129
Mfg#:
11787539125
Ships on Aug 13, 2026
$108.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O Ring - Priced Each

ES#3618241 - 11617533329 - O Ring - Priced Each - Seals the PCV angle connector to the intake manifold - Bremmen Parts - BMW

Seals the PCV angle connector to the intake manifold 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3618241
Mfg#:
11617533329
In Stock
ON SALE! SAVE 30%
$6.99

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

$4.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Box

ES#254250 - 11717796883 - Vacuum Box - Part of the emissions control system - Genuine BMW - BMW

Part of the emissions control system

Brand:
Genuine BMW - Corporate Logo
ES#:
254250
Mfg#:
11717796883
Ships in 4 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.

$106.99

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

$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DEF Funnel Kit

ES#3603431 - CTA7220 - DEF Funnel Kit - Refill your diesel AD BLUE system. - CTA Tools - BMW Volkswagen Mercedes Benz

Refill your diesel AD BLUE system.

Brand:
CTA Tools - Corporate Logo
ES#:
3603431
Mfg#:
CTA7220
Ships on Aug 6, 2026
$50.01 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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