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BMW E90 328i N52 3.0L

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BMW E90 328i N52 3.0L Engine Emission Parts

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Vacuum Pump Sprocket

ES#23604 - 11417516128 - Vacuum Pump Sprocket - The main drive cog for the vacuum pump. - Genuine BMW - BMW

The main drive cog for the vacuum pump.

Brand:
Genuine BMW - Corporate Logo
ES#:
23604
Mfg#:
11417516128
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.

$33.00

This product was last offered at the strikethrough price on
08-19-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 1 Post-Cat

ES#4343214 - 11787526262 - Rear Oxygen Sensor - Bank 1 Post-Cat - Fuel control and emissions control sensor - Febi - BMW

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

Brand:
Febi - Corporate Logo
ES#:
4343214
Mfg#:
11787526262
Back Ordered
$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

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
$117.99 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

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

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 Sep 8, 2026
$112.99 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
Ships in 2 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Extraction Line

ES#19639 - 11157537701 - Extraction Line - Connectes to the oil separator - Genuine BMW - BMW

Connectes to the oil separator

Brand:
Genuine BMW - Corporate Logo
ES#:
19639
Mfg#:
11157537701
In Stock
Limited Qty Sale
$58.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Valve Gasket - Priced Each

ES#2602997 - 11727506214 - Secondary Air Pump Valve Gasket - Priced Each - Goes between the valve and intake tube - Victor Reinz - BMW

Goes between the valve and intake tube

Brand:
Victor Reinz - Corporate Logo
ES#:
2602997
Mfg#:
11727506214
In Stock
$7.30

This product was last offered at the strikethrough price on
05-29-2026

$7.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oxygen Sensor Bung - Priced Each

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

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 7 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#4726411 - AS815M - Oil Separator Valve - A common part to fail in cold weather - Hengst - BMW
ECS Tuning recommends this product.

A common part to fail in cold weather 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Hengst - Corporate Logo
ES#:
4726411
Mfg#:
AS815M
Ships on Sep 14, 2026
$64.99 USD
Free Shipping
on orders $49 and up

Oil Separator Valve

ES#2813540 - 11617531423 - Oil Separator Valve - A common part to fail in cold weather - Hamburg Tech - BMW

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813540
Mfg#:
11617531423
Ships in 2 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bracket - Pack Of 10

ES#2681132 - 11157545772KT - Bracket - Pack Of 10 - Holds hoses in place - Genuine BMW - BMW

Holds hoses in place

Brand:
Genuine BMW - Corporate Logo
ES#:
2681132
Mfg#:
11157545772KT
Ships in 8 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Hose

ES#26838 - 11727557910 - Pressure Hose - Connects the air pump to the cold start valve. - Genuine BMW - BMW

Connects the air pump to the cold start valve. This fits the N51 SULEV Engine Only

Brand:
Genuine BMW - Corporate Logo
ES#:
26838
Mfg#:
11727557910
Ships in 1-2 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.

$61.99

This product was last offered at the strikethrough price on
08-19-2026

$58.99 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.

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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