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BMW E66 745Li N62 4.4L

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BMW E66 745Li N62 4.4L Engine Intake Parts

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Stage 2.5 Boost-Controlled Water/Meth Injection Kit

ES#2855201 - SN0210 - Stage 2.5 Boost-Controlled Water/Meth Injection Kit - Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. - SnowPerformance - Audi BMW Volkswagen MINI

Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. Gauge Pod controller, for optimum control even from the driver's seat!

Brand:
SnowPerformance - Corporate Logo
ES#:
2855201
Mfg#:
SN0210
In Stock
$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AEM V3 Water/Methanol Injection Kit (30-3300)

ES#517900 - 30-3000 - AEM V3 Water/Methanol Injection Kit (30-3300) - Increase power and efficiency while decreasing combustion temperatures - AEM Electronics - Audi BMW Volkswagen MINI

Increase power and efficiency while decreasing combustion temperatures

Brand:
AEM Electronics - Corporate Logo
ES#:
517900
Mfg#:
30-3000
Ships in 9 Business Days
Auto Notify
11% off MSRP

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

$674.95

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

$599.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen MINI

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings.

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro-Line Diesel Intake System Cleaner - 400mL

ES#3514639 - 20208KT - Pro-Line Diesel Intake System Cleaner - 400mL - Clean your intake duct without removing it - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Clean your intake duct without removing it 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Ground ship only in the contiguous U.S.

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514639
Mfg#:
20208KT
In Stock
$16.25 USD
Free Shipping
on orders $49 and up

AEM V3 Water/Methanol Injector Kit (Qty 2)

ES#4307641 - 30-3313 - AEM V3 Water/Methanol Injector Kit (Qty 2) - Swappable swirl generators for 250/500/1000cc configurations! - AEM Electronics - Audi BMW Volkswagen MINI

Swappable swirl generators for 250/500/1000cc configurations!

Brand:
AEM Electronics - Corporate Logo
ES#:
4307641
Mfg#:
30-3313
In Stock
12% off MSRP

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

$129.99

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

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal High Flow Performance Air Filter - Dry (2.5" inlet)

ES#3697634 - 003675ECS03-02 - Universal High Flow Performance Air Filter - Dry (2.5" inlet) - High flow, reusable air filter. Used as a replacement filter to an ECS intake system or for your custom intake project. 4.5" Base OD / 6" Filter Height / 3.5" Top OD - ECS - Audi BMW Volkswagen

High flow, reusable air filter. Used as a replacement filter to an ECS intake system or for your custom intake project. 4.5" Base OD / 6" Filter Height / 3.5" Top OD 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3697634
Mfg#:
003675ECS03-02
In Stock
ON SALE! SAVE 25%
$58.99

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

$44.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Braided SS Line Trunk Mount Upgrade (4AN SS Braided Line Systems)

ES#4691038 - SN0-40012-BRD - Snow Performance Braided SS Line Trunk Mount Upgrade (4AN SS Braided Line Systems) - All the necessities to move your tank to the trunk of any vehicle. - SnowPerformance - Audi BMW Volkswagen MINI

All the necessities to move your tank to the trunk of any vehicle.

Brand:
SnowPerformance - Corporate Logo
ES#:
4691038
Mfg#:
SN0-40012-BRD
In Stock
Limited Qty Sale
$156.99

This product was last offered at the strikethrough price on
06-11-2026

$145.99 USD
Free Shipping
on orders $49 and up

K&N Air Filter Recharge Kit - Squeeze

ES#517994 - 99-5050 - K&N Air Filter Recharge Kit - Squeeze - Preserve & maintain your air filter for a lifetime like it was designed to be used - K&N - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Preserve & maintain your air filter for a lifetime like it was designed to be used

Brand:
K&N - Corporate Logo
ES#:
517994
Mfg#:
99-5050
In Stock
$18.99 USD
Free Shipping
on orders $49 and up

Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line

ES#4144932 - SN0-310-BRD - Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen MINI

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle

Brand:
SnowPerformance - Corporate Logo
ES#:
4144932
Mfg#:
SN0-310-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AEM Water/Methanol Injection System

ES#4500516 - 30-3326 - AEM Water/Methanol Injection System - High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out - AEM Electronics - Audi BMW Volkswagen MINI Porsche

High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out

Brand:
AEM Electronics - Corporate Logo
ES#:
4500516
Mfg#:
30-3326
Ships in 1 Business Day
11% off MSRP

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

$149.99

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

$132.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Plug-and-Play IAT Relocation Kit

ES#3194684 - 014579TMS - Turner Plug-and-Play IAT Relocation Kit - Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output - Turner Motorsport - BMW

Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output 10X Entries For Our 25th Anniversary Sweepstakes!
Alleviate the plague of heat soak on the street or track.

Brand:
Turner Motorsport - Corporate Logo
ES#:
3194684
Mfg#:
014579TMS
Ships in 1 day
ON SALE!
Starting at $138.57 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Intake Parts

All engine performance begins with engine breathing. That's why we have a large inventory of stock and performance intake manifolds, and related intake manifold parts, including MAF sensors, intake hoses, cold air intake systems, and engine air filters for both normally aspirated and forced induction engines. To perform it's best, your engine needs to breathe clean and breathe free.

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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