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Fuel-It! Flex Fuel Kit - G2x/G3x/G4x B58
Know your exact ethanol content in real-time via the Fuel-it! or JB4 app on your smartphone or tablet.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Fuel-It! - Corporate Logo
ES#: 4583427
Mfg#: GB58BFFK

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Availability:
Ships on Jul 21, 2026
$479.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Fuel-It! FLEX FUEL KIT For S58 BMW X3M & X4M - Complete Kit With BlueTooth ECA
A complete plug-and-play kit to install a Bluetooth ethanol sensor in your X3M or X4M in about 30 minutes
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Fuel-It! - Corporate Logo
ES#: 4674485
Mfg#: S58X3MFFK-BTECA

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Availability:
Ships in 2 Business Days
$479.99 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
E-Series Silver Port Injection Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Fuel-It! - Corporate Logo
ES#: 3520757
Mfg#: BMW-EPI-SI

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Availability:
Ships on Jul 21, 2026
$1339.99 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Stage 2 LPFP Upgrade w/ Lock-Ring Removal Tool
Drop-in upgrade capable of supporting up to 700whp on E85.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Fuel-It! - Corporate Logo
ES#: 4752343
Mfg#: BX8LPFPS2LRRT

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Availability:
Back Ordered
$619.00 USD
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This product is lifetime replacement eligible Lifetime Replacement
Fuel It N54/55 E-Series Low Pressure Fuel Pump Upgrade Stage 3
Features two new Walbro 450 E85 certified pumps in a factory bucket for a 300% flow increase over stock.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Fuel-It! - Corporate Logo
ES#: 3521358
Mfg#: FILPFPK3

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Availability:
Back Ordered
Starting at $1068.99 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
BMW S63TU M5 Complete Bluetooth Flex Fuel Kit - F90 M5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Fuel-It! - Corporate Logo
ES#: 5480669
Mfg#: FIBFFK-F90

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Availability:
Ships on Jul 21, 2026
$499.99 USD
This product is lifetime replacement eligible Lifetime Replacement
Port Injection Kit
Includes Phoenix Racing Intake Manifold, 750cc Injectors and Fuel Line
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Fuel-It! - Corporate Logo
ES#: 4758392
Mfg#: BMW-N54-PRM-750

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Availability:
Ships on Jul 21, 2026
$988.00 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Fuel-It! Flex Fuel Kit - N54/N55 E Chassis - Stock HPFP to Tank
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#: 4446982
Mfg#: FFK-N5XA-STO

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Availability:
Ships on Aug 3, 2026
$485.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
S58 Flex Fuel Kit G8X
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

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Availability:
Ships on Jul 21, 2026
$479.00 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Audi TTRS/RS3 2.5L Gen3 Flex Fuel Kit - Bluetooth & 0-5V Analyzer
Complete plug and play kit to install a Bluetooth ethanol sensor in your Audi 2.5T - Includes Fuel lines with ethanol sensor and Bluetooth & 0-5V Analyzer
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Fuel-It! - Corporate Logo
ES#: 4024158
Mfg#: AUDI25G3FFKIT05V

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Availability:
Ships on Jul 21, 2026
$469.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Fuel-It!

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