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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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Crankcase Ventilation Return Pipe

ES#4759033 - 11157567801 - Crankcase Ventilation Return Pipe - Located under intake manifold - URO - BMW

Located under intake manifold 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4759033
Mfg#:
11157567801
Ships in 2 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensors - Bank 1 And 2 Pre-Cat

ES#5481586 - 11787558055/73KT - Oxygen Sensors - Bank 1 And 2 Pre-Cat - Is your BMW feeling a bit sluggish, idling rough, or burning through fuel faster than usual? Don't let aging oxygen sensors rob your engine of its performance. - Assembled By ECS - BMW

Is your BMW feeling a bit sluggish, idling rough, or burning through fuel faster than usual? Don't let aging oxygen sensors rob your engine of its performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481586
Mfg#:
11787558055/73KT
In Stock
$374.99

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

$304.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Valve

ES#25772 - 11617531423 - Oil Separator Valve - A common part to fail in cold weather - Genuine BMW - BMW

A common part to fail in cold weather

Brand:
Genuine BMW - Corporate Logo
ES#:
25772
Mfg#:
11617531423
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.

$148.99

This product was last offered at the strikethrough price on
09-10-2026

$139.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Cap

ES#4460651 - 16116767740 - Fuel Cap - Address fuel vapor leaks (or broken tethers and lost caps) - URO - BMW

Address fuel vapor leaks (or broken tethers and lost caps) 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4460651
Mfg#:
16116767740
In Stock
$44.99 USD
Free Shipping
on orders $49 and up

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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE! SAVE 25%
$5.99

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

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump - Priced Each

ES#37298 - 16137193479 - Leak Detection Pump - Priced Each - Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. - Genuine BMW - BMW MINI

Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system.

Brand:
Genuine BMW - Corporate Logo
ES#:
37298
Mfg#:
16137193479
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.

$266.99

This product was last offered at the strikethrough price on
09-10-2026

$250.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Hose - Pump to Valve

ES#26766 - 11727508048 - Secondary Air Injection Hose - Pump to Valve - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
26766
Mfg#:
11727508048
Ships in 6 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.

$61.99

This product was last offered at the strikethrough price on
09-10-2026

$60.99 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
Ships in 2 Business Days
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Return Pipe

ES#3673424 - 11157567801 - Crankcase Return Pipe - Located under intake manifold - Bremmen Parts - BMW

Located under intake manifold 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673424
Mfg#:
11157567801
Ships on Mar 5, 2027
ON SALE! SAVE 16%
$29.99

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

$25.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#4689903 - 11157522931 - Crankcase Vent Hose - Rein OE quality breather hose - Rein - BMW

Rein OE quality breather hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4689903
Mfg#:
11157522931
In Stock
ON SALE! SAVE 18%
$44.99

This product was last offered at the strikethrough price on
08-23-2026

$37.04 USD
Free Shipping
on orders $49 and up

Oxygen Sensor

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

Replace your malfunctioning oxygen sensor We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3672478
Mfg#:
15668
Ships in 2 Business Days
$87.86 USD
Free Shipping
on orders $49 and up
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 For vehicles with production date from 10/2005

Brand:
Genuine BMW - Corporate Logo
ES#:
25824
Mfg#:
11617559530OE
Ships in 4 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.

$77.99

This product was last offered at the strikethrough price on
09-10-2026

$70.99 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

For vehicles with production date up to 09/06 | 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
09-10-2026

$19.99 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 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#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
Ships in 2 Business Days
$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

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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