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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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Extraction Line

ES#4325275 - 11157537701 - Extraction Line - Connectes to the oil separator - MTC - BMW

Connectes to the oil separator

Brand:
MTC - Corporate Logo
ES#:
4325275
Mfg#:
11157537701
Ships in 9 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Sprocket

ES#4759434 - 11417516128 - Vacuum Pump Sprocket - The main drive cog for the vacuum pump. - Bremmen Parts - BMW

The main drive cog for the vacuum pump. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759434
Mfg#:
11417516128
Special Order: No Guaranteed ETA
ON SALE! SAVE 21%
$26.99

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

$21.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#25776 - 11617533329 - O-Ring - Priced Each - Seals the PCV angle connector to the intake manifold - Genuine BMW - BMW

Seals the PCV angle connector to the intake manifold

Brand:
Genuine BMW - Corporate Logo
ES#:
25776
Mfg#:
11617533329
Ships in 3 Business Days
$11.99

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

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensors - Bank 1 And 2 Pre-Cat

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 For Our 25th Anniversary 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

$307.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Emissions Label

ES#258144 - 71227594298 - Exhaust Emissions Label - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
258144
Mfg#:
71227594298
Ships in 3 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

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

Rear

Brand:
Genuine BMW - Corporate Logo
ES#:
27237
Mfg#:
11787513962
Ships in 5 Business Days
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
07-21-2026

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

Oxygen Sensor - Bank 2 Pre-Cat

Located in the front position of the exhaust manifold 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480641
Mfg#:
11787558073
Ships on Sep 28, 2026
Auto Notify
$105.99 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 2X Entries For Our 25th Anniversary Sweepstakes!
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

Crankcase Ventilation Return Pipe

ES#4342969 - 11157527570 - Crankcase Ventilation Return Pipe - Located under intake manifold - Febi - BMW

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

Brand:
Febi - Corporate Logo
ES#:
4342969
Mfg#:
11157527570
Special Order: No Guaranteed ETA
$93.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Bank 1 Pre-Cat

Fuel control and emissions control sensor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480567
Mfg#:
11787558055
Ships on Oct 19, 2026
Auto Notify
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Angle Connector With Heating Element

ES#3672013 - 11618638014 - Angle Connector With Heating Element - Connects PCV line to intake manifold - Vaico - BMW

Connects PCV line to intake manifold We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3672013
Mfg#:
11618638014
Special Order: No Guaranteed ETA
$125.99 USD
Free Shipping
on orders $49 and up

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 For Our 25th Anniversary 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

Oxygen Sensor - Priced Each

ES#4487458 - 11787539137 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - L=450mm - Meyle - BMW

Keep your engine running efficiently - L=450mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4487458
Mfg#:
11787539137
Special Order: No Guaranteed ETA
$102.99 USD
Free Shipping
on orders $49 and up

Rear Oxygen Sensor - Bank 1 Post-Cat

ES#4487460 - 11787545074 - Rear Oxygen Sensor - Bank 1 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#:
4487460
Mfg#:
11787545074
Special Order: No Guaranteed ETA
$116.99 USD
Free Shipping
on orders $49 and up

Vacuum Pump

ES#2842166 - 11667519457 - Vacuum Pump - Located on the front of the engine block - Pierburg - BMW

Located on the front of the engine block

Brand:
Pierburg - Corporate Logo
ES#:
2842166
Mfg#:
11667519457
Special Order: No Guaranteed ETA
$225.99 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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