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N54 Fuel System Upgrades

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Fuel system upgrades for the 135i, 335i, 535i, and Z4 E Series cars.

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  • Basic Port Injection Tuning Package
    Basic Port Injection Tuning Package
    $199.00
    Basic Port Injection Tuning Package   If you have purchased one or our D.I.Y. kits or purchased one of our port injection kits on the used market and need assistance dialing in your fueling, then this option is for...
  • Fuel-It! Flex Fuel Apps
    Bluetooth Flex-Fuel Analyzer
    $199.95
    This is the complete plug and play solution for adding a Bluetooth compatible analyzer to your Continental flex-fuel sensor. We now have two different options for you to choose from based on your needs.  Both option...
  • Direct Port Meth Injection for N54 and N55 equipped cars
    Direct Port Meth Injection for N54 and N55 equipped cars
    $1,199.95
    Are you running meth or planning to run meth but want better control, distribution, and additional capacity?  If so, this kit is for you.  Our Direct Port Meth Injection (DPMI) kits have six individually...
  • HPFP to Tank w/ES
    E-Series 135i and 335i Fuel Line and Ethanol Sensor Upgrade
    $125.95
    We currently offer four options to upgrade the fuel feed lines on your N54 and N55 equipped 135i or 335i E-series BMW.  All fuel lines upgrades are 3/8" (AN6) and E85 compatible.  In addition we utilize our own...
  • The Complete Ultimate Fuel System Upgrade Package
    E-Series 135i and 335i Ultimate Fuel System Upgrade (Save over $400)
    $3,399.95
    *****Enter the code "ufsu400" at checkout to receive a $400 discount on this complete package.***** This is the Ultimate Fuel System Upgrade with everything you need to support your big power goals in one place, no core...
  • Front side of Stage 2 bucketless assembly
    E-Series Bucketless LPFP Upgrades
    $399.95
    This is a complete plug and play solution to replace your stock Low Pressure Fuel Pump (LPFP) with a new E85 certified bucketless assembly. This solution provides up to 25% more flow than our standard Stage 2 LPFP upgrade...
  • Basic Port Injection Kit
    E-Series Port Injection
    $1,149.95
    Are you running more E85 or making more power on pump gas than your HPFP (High Pressure Fuel Pump) can support? We have developed a port injection kit for your N54 or N55 that will provide you with the additional fueling...
  • Complete kit with pump
    E-Series Stage 1 LPFP Upgrade
    $71.00
    These kits are designed to be installed inline with your stock low pressure fuel pump (LPFP).  They provide approximately 50% more flow when combined with your stock pump and can be purchased with or without the Walbro...
  • New Build
    E-Series Stage 2 LPFP Upgrade
    $405.00
    This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one.  The new Walbro 450 pump provides approximately 100% more flow than stock and this assembly...
  • E-Series Stage 2 LPFP Upgrade (DIY Option)
    E-Series Stage 2 LPFP Upgrade (DIY Option)
    $299.00
    For those of you that wish to do a "DIY" option but don't want to incur the risks associated with tearing your own bucket apart, adding a pump assembly, and then not being able to bench test it to see if it functions...
  • E-Series Stage 3 LPFP Upgrade
    E-Series Stage 3 LPFP Upgrade
    $850.00
    This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one.  This solution provides up to 300% more flow than stock and this assembly can be purchased...
  • Closeup of Platinum LPFP
    E-Series Stage 4 LPFP and Fuel Line Upgrade
    $1,199.95
    If you are making over 600whp and your LPFP pressures are dropping, this is the solution for you! This is the most powerful LPFP upgrade available and it still utilizes the stock bucket and retains all the factory venturi's...

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