Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW M3 Fuel-It!

Sort By
Filter By
Return to Top

S58 Flex Fuel Kit G8X

ES#4583512 - S58FLEXFKIT - S58 Flex Fuel Kit G8X - Dont run E85 or Ethanol in your S58 without this kit! - Fuel-It! - BMW

Dont run E85 or Ethanol in your S58 without this kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4583512
Mfg#:
S58FLEXFKIT
Ships on Jun 23, 2026
$479.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! Flex Fuel Kit - F-Chassis S55 - BMS/FI PI

ES#4715477 - FFK-S55-FIP - Fuel-It! Flex Fuel Kit - F-Chassis S55 - BMS/FI PI - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For Fuel-It! brand port injection configs. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For Fuel-It! brand port injection configs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4715477
Mfg#:
FFK-S55-FIP
Ships on Jun 23, 2026
$589.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! 650HP S65 E9X BMW M3 LPFP Upgrade - w/ 4PSI Hobbs Switch

ES#4690529 - FIS65M3LPFP - Fuel-It! 650HP S65 E9X BMW M3 LPFP Upgrade - w/ 4PSI Hobbs Switch - Upgrade your fueling system to support your High Horsepower build! - Fuel-It! - BMW

Upgrade your fueling system to support your High Horsepower build! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4690529
Mfg#:
FIS65M3LPFP
Back Ordered
$514.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! Flex Fuel Kit - F-Chassis S55 - Non BMS/FI PI

ES#4715478 - FFK-S55-NFI - Fuel-It! Flex Fuel Kit - F-Chassis S55 - Non BMS/FI PI - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4715478
Mfg#:
FFK-S55-NFI
Ships on Jun 23, 2026
$609.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel It S55 F-Series Port Injection Kit

ES#3521470 - FIEPIK6 - Fuel It S55 F-Series Port Injection Kit - Complete direct port injection kit for you S55. - Fuel-It! - BMW

Complete direct port injection kit for you S55. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
3521470
Mfg#:
FIEPIK6
Ships on Jun 23, 2026
Starting at $1628.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! Flex Fuel Kit - F-Chassis S55 - Stock Fueling

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For stock HPFP/no port injection configurations. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4715476
Mfg#:
FFK-S55-STO
Ships on Jun 23, 2026
$549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings