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Features a new Walbro 450 pump in a factory bucket, over 100% flow increase over stock!
Features two new Walbro 450 E85 certified pumps in a factory bucket for a 300% flow increase over stock.
Know your exact ethanol content in real-time via the Fuel-it! or JB4 app on your smartphone or tablet.
Lifetime Replacement
Dont run E85 or Ethanol in your S58 without this kit!
Lifetime Replacement
Get 100% more flow over stock with this upgrade.
Get 100% more flow over stock with this upgrade.
Lifetime Replacement
Get up to 100% more flow over stock!
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.
Lifetime Replacement
Get up to 150% more flow over stock.
Upgrade your fueling system to support your High Horsepower build!
Lifetime Replacement
Complete plug and play kit to install a Bluetooth ethanol sensor in your BMW - Includes fuel lines with ethanol sensor and Bluetooth & 0-5V analog Analyzer
Lifetime Replacement
Know your exact ethanol content in real-time via the Fuel-It! or JB4 app on your smartphone or tablet.
Installs in line with your factory pump for up to 50% more flow.
Complete direct port injection kit for you N55.
Complete direct port injection kit for you N55.
CNC-machined spacers, hardware, fuel line adapter, requires fuel injectors, chargepipe.
Lifetime Replacement
