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BMW Z4 3.0Si N52 3.0L

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BMW Z4 3.0Si N52 3.0L Engine Emission Parts

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Front Oxygen Sensor - Bank 1 Pre-Cat

ES#3625139 - 11787558055 - Front Oxygen Sensor - Bank 1 Pre-Cat - Fuel control and emissions control sensor - FAE - BMW

Fuel control and emissions control sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
3625139
Mfg#:
11787558055
Ships on Jun 23, 2026
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Service Kit

ES#2804752 - 11617531423KT2 - Oil Separator Service Kit - Includes valve and all necessary hoses - Assembled By ECS - BMW

Includes valve and all necessary hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with the early metal valve cover - will not work with the later style plastic valve covers
For vehicles with production date from 10/2005

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804752
Mfg#:
11617531423KT2
Ships in 1 Business Day
ON SALE! SAVE 26%
$302.99

This product was last offered at the strikethrough price on
01-03-2026

$225.27 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Vent Hose

ES#25824 - 11617559530OE - Oil Separator Vent Hose - Should be replaced with the oil separator - Genuine BMW - BMW

Should be replaced with the oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 10/2005

Brand:
Genuine BMW - Corporate Logo
ES#:
25824
Mfg#:
11617559530OE
Ships in 4 Business Days
10% off MSRP

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

$77.99

This product was last offered at the strikethrough price on
06-07-2026

$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Vent Hose

ES#2834652 - 11617559530 - Oil Separator Vent Hose - Should be replaced with the oil separator - Rein - BMW

Should be replaced with the oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2834652
Mfg#:
11617559530
Ships in 1-2 days
$66.99

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

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Catch Can O-ring

ES#3097721 - N1.50X051 - ECS Catch Can O-ring - Replacement ECS catch can O-ring - ECS - Audi BMW Volkswagen MINI

Replacement ECS catch can O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE! SAVE 30%
$5.99

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

$4.19 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19639
Mfg#:
11157537701
In Stock
13% off MSRP

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

$63.92

This product was last offered at the strikethrough price on
01-03-2026

$55.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#3672478 - 15668 - Oxygen Sensor - Replace your malfunctioning oxygen sensor - Bosch - BMW

Replace your malfunctioning oxygen sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3672478
Mfg#:
15668
In Stock at Vendor
$87.86

This product was last offered at the strikethrough price on
05-19-2026

$81.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-07-2026

$31.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343214
Mfg#:
11787526262
Ships on Sep 2, 2026
$124.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3173527
Mfg#:
11157522931
In Stock
$61.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069281
Mfg#:
11617531423
Ships in 3 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Gas Cap

ES#36211 - 16116767740 - Gas Cap - Address fuel vapor leaks (or broken tethers and lost caps) - Genuine BMW - BMW

Address fuel vapor leaks (or broken tethers and lost caps) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
36211
Mfg#:
16116767740
In Stock at Vendor
$106.99

This product was last offered at the strikethrough price on
04-17-2026

$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#4342968 - 11157522931 - Crankcase Vent Hose - Runs from oil separator to the intake manifold - Febi - BMW

Runs from oil separator to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342968
Mfg#:
11157522931
Ships on Sep 2, 2026
$48.99 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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