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BMW E66 745Li N62 4.4L

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BMW E66 745Li N62 4.4L Engine Emission Parts

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Universal 10AN ORB To 3/8" Barb

ES#4460630 - rad20-0530 - Universal 10AN ORB To 3/8" Barb - This PCV can be used on the outlet of any Radium Engineering catch can - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This PCV can be used on the outlet of any Radium Engineering catch can

Brand:
Radium Engineering - Corporate Logo
ES#:
4460630
Mfg#:
RAD20-0530
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Regulator Valve Repair Kit

ES#2158234 - 11127547058 - Pressure Regulator Valve Repair Kit - Includes new cap, gasket, and spring - Vaico - BMW

Includes new cap, gasket, and spring We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2158234
Mfg#:
11127547058
In Stock at Vendor
$34.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Cap

ES#25468 - 11611437560 - Vacuum Cap - Used in various locations under the hood - Genuine BMW - BMW

Used in various locations under the hood

Brand:
Genuine BMW - Corporate Logo
ES#:
25468
Mfg#:
11611437560
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Regulator Valve Repair Kit

ES#18560 - 11127547058 - Pressure Regulator Valve Repair Kit - Includes new cap, gasket, and spring - Genuine BMW - BMW

Includes new cap, gasket, and spring

Brand:
Genuine BMW - Corporate Logo
ES#:
18560
Mfg#:
11127547058
In Stock at Vendor
$253.99

This product was last offered at the strikethrough price on
02-14-2026

$200.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Pre Catalytic Converter

ES#2855205 - 11787521705 - Oxygen Sensor - Pre Catalytic Converter - Length: 620mm - Bosch - BMW

Length: 620mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 05/2002. For cylinders 5-8 only.

Brand:
Bosch - Corporate Logo
ES#:
2855205
Mfg#:
11787521705
In Stock at Vendor
$222.76 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Valve

ES#35579 - 13907506739 - Fuel Tank Breather Valve - Fix that rough idle - Genuine BMW - BMW

Fix that rough idle

Brand:
Genuine BMW - Corporate Logo
ES#:
35579
Mfg#:
13907506739
Ships in 3 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.

$103.99

This product was last offered at the strikethrough price on
07-15-2026

$101.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Hose

ES#26768 - 11727508270 - Secondary Air Pump Hose - Connects the 2 air valves to the air pump - Genuine BMW - BMW

Connects the 2 air valves to the air pump

Brand:
Genuine BMW - Corporate Logo
ES#:
26768
Mfg#:
11727508270
Ships in 3 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.

$103.99

This product was last offered at the strikethrough price on
05-06-2026

$101.99 USD
Free Shipping
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 10X Entries For Our 25th Anniversary 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

Air Pump Control Valve

ES#26822 - 11727553101 - Air Pump Control Valve - Attached to the secondary air pump - Genuine BMW - BMW

Attached to the secondary air pump

Brand:
Genuine BMW - Corporate Logo
ES#:
26822
Mfg#:
11727553101
Ships in 3 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.

$194.99

This product was last offered at the strikethrough price on
07-15-2026

$190.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Return Tube

ES#54928 - 32416753823 - Return Tube - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
54928
Mfg#:
32416753823
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.

$174.99

This product was last offered at the strikethrough price on
07-15-2026

$170.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E65 Secondary air pump hose - pressure

ES#26830 - 11727556959 - E65 Secondary air pump hose - pressure - Connects to the secondary air pump - Genuine BMW - BMW

Connects to the secondary air pump

Brand:
Genuine BMW - Corporate Logo
ES#:
26830
Mfg#:
11727556959
Ships in 5 Business 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.

$173.99

This product was last offered at the strikethrough price on
07-15-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Regulator Valve

ES#4342922 - 11127537733 - Pressure Regulator Valve - Includes new cap, gasket, and spring - Febi - BMW

Includes new cap, gasket, and spring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342922
Mfg#:
11127537733
In Stock at Vendor
$27.99

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

$19.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Lambda Sensor

ES#2895561 - 11787512975 - Lambda Sensor - Keep your engine running efficiently - Vemo - Audi BMW Volkswagen

Keep your engine running efficiently

Brand:
Vemo - Corporate Logo
ES#:
2895561
Mfg#:
11787512975
Special Order: No Guaranteed ETA
$158.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Pre Catalytic Converter

ES#2855207 - 11787516150 - Oxygen Sensor - Pre Catalytic Converter - Length: 650mm - Bosch - BMW

Length: 650mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 05/2002. For cylinders 5-8 only.

Brand:
Bosch - Corporate Logo
ES#:
2855207
Mfg#:
11787516150
Ships in 1-2 days
$140.35 USD
Free Shipping
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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