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BMW N54 E-Series JB4 Integrated for 500whp

Calculated at checkout

Product Description

N54 Basic 500whp Package

 for 135i and 335i only!

This package is for those looking for a fuel system

upgrade that will support up to 550whp on ethanol

mixes or pump/race gas.  It includes:

Basic DIY Port Injection Kit with:

-Low Pressure Fuel Line Adapter
-550cc Flow Matched Injectors

BMS JB4 Integrated Controller
Stage 2 DIY LPFP Upgrade

($100 core deposit required)

All of our DIY kits feature the following:

Optional fuel return port

Optional boost reference port

100% billet aluminum construction

Machined to clear HPFP hardline line

Anodized to be compatible with all fuels

OEM gasket grooves with gasket retention tabs

*Ethanol sensor is optional and includes upgraded fuel lines and Bluetooth analyzer.



Stage 2 LPFP Core Deposit

  • No Thank You
    • You will send your stock core in to be upgraded
  • Yes (Add $100)
    • We will send you a complete Stage 2 pump and you can send your undamaged stock core back for the $100 refund.
  • Yes + Ring Removal Tool (Add $140)
    • We will send you a complete Stage 2 pump and ring removal tool.  You can then send your undamaged stock core back with the ring removal tool for $125 refund or you may keep the ring removal tool and ship your core back for the $100 refund.


Add an Ethanol Sensor and Bluetooth Analyzer (includes upgraded fuel lines)

  • Select this option to run an ethanol sensor and our Bluetooth analyzer to read your ethanol content.
  • There are three options to read your ethanol content when using our ethanol analyzers:
    • Bluetooth only
    • Bluetooth and JB4 integrated (0-5 Volt) 
    • Bluetooth and 50-150hz Raw Signal
      • Bluetooth (Iphone or Android app must be purchased to use this feature)

Basic Port Injection Assembly, Setup, and Tuning

  • You are purchasing a DIYourself port injection kit.  As such, the kit will need to be assembled and we will provide technical support for hardware assembly and installation.  However we do not provide port injection tuning support for DIY purchases.  If you would like your kit to be assembled and you need assistance with fueling related tuning, you'll need to purchase this option.
  • Included with your purchase is:
    • Fuel rail assembly
    • 90 days of port injection email tuning support to include:
      • Log reviews and input
      • Port injection controller map adjustments
      • BMS MHD Backend flash fueling adjustments
      • JB4 tuning assistance
  • Not included with this purchase is:
    • Remote tuning
    • Custom flash tuning
    • We can not adjust fueling on locked custom flash maps
  • Once you purchase this option, please email us at tuning@fuel-it.com with your order number for assistance.



*Port Injection Controller install guides can be found here...


*These kits are available for off-road use only

*All port injection kits are built to order so please allow 2 business days for shipping.

*Ethanol Sensors don't actually read the ethanol content, the readings are based on the absence of gasoline, so if your fuel is contaminated, your ethanol readings may be artificially elevated.

Product Videos

Fuel-It! DIY Port Injection kit assembly and overview. (16:14)
A video to describe the different options and features and how to order our DIY port injection kit for the BMW N54 and N55 motors. For questions or to inquire about any of our fueling products, please visit us at www.fuel-it.com or email us at info@fuel-it.com Thanks for watching, Fuel-It! Follow us on instagram @ https://www.instagram.com/_fuel_it_/ Like us on Facebook @ https://www.facebook.com/fuelit.biz/
  • Fuel-It! DIY Port Injection kit assembly and overview.
    A video to describe the different options and features and how...
  • Fuel-It! Stage 2 bucketless LPFP assembly for the E-Series 135i and 335i
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  • BMW 135i and 335i Stage 2 LPFP installation
    This is a DIY video for the installation of the BMW 135i or 33...

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