Fuel-It BMW E-Series Port Injection Kit for N55 Engines
The ultimate BMW N55 port injection upgrade for drivers who want safe power, stable AFRs and reliable ethanol fueling. This Fuel-It E-Series N55 port injection kit adds the auxiliary fueling capacity your factory HPFP cannot deliver, allowing you to support higher boost, bigger power on pump petrol and up to 100% E85 with the correct tuning. Perfect for stock or upgraded turbos, this BMW N55 port injection kit is the proven solution for serious street, track and drag builds.
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Why choose this N55 port injection kit
- Run more boost and timing safely with additional fueling beyond the stock HPFP
- Support high ethanol blends and up to 100% E85 when tuned appropriately
- Clean, reversible install - no permanent modification to your intake manifold or cylinder head
- High quality components - black anodised spacer and fuel rail, flow matched Bosch injectors
- Tested by us and loved by our customers for reliability, drivability and consistent performance
What is port injection on an N55
Port injection adds a spacer between the intake manifold and the cylinder head to mount a secondary fuel rail and injectors. This auxiliary fuel system supplements the factory direct injection to deliver the extra fuel required for big power and ethanol blends. Installation is straightforward and fully reversible.
Kit options
Basic Kit - no fuel lines included
- Fuel-It custom black anodised spacer for the intake manifold
- Fuel-It custom black anodised fuel rail
- Black anodised aluminium and stainless steel hardware
- Dual fuel supply port for those running inlets in the stock location - email Sales@nforcd.com for info
- Optional return port for builds using an upgraded fuel pressure regulator
- Six of the following:
- Flow matched Bosch injectors (52#)
- Extended length steel studs and a bolt for mounting the new spacer
- BMW OEM gaskets
Bronze Kit
- Includes everything in the Basic port injection kit
- Basic fuel line connection kit:
- Two custom Fuel-It fittings to maintain stock fuel line connections at the HPFP and at the feed line entering the engine bay
- -6AN (3/8 inch) upgraded fuel lines
- High-flow Y adapter
- 90 degree elbow for the fuel rail connection
Silver Kit
- Includes everything in the Basic port injection kit
- Includes the Basic fuel line connection kit
- Upgraded fuel line that completely replaces the stock fuel line
Gold Kit
- Includes everything in the Basic port injection kit
- Includes the Basic fuel line connection kit
- Upgraded fuel line that completely replaces the stock fuel line
- Integrated ethanol sensor - requires an ethanol analyser to display ethanol content
Platinum Kit
- Includes everything in the Basic port injection kit
- Includes the Basic fuel line connection kit
- Upgraded fuel line that completely replaces the stock fuel line
- Integrated ethanol sensor
-
Bluetooth and JB4 compatible ethanol analyser
- JB4 integration compatible 0-5 volt output
- Bluetooth functionality - iPhone or Android app purchase required
Compatibility
BMW N55 engines - E-Series N55 applications.
Compatibility check before dispatch
We perform a fitment check prior to shipping. Provide your UK registration or the last 7 digits of your VIN at checkout so we can verify the correct BMW N55 port injection kit for your vehicle.
Installation and fitting
This port injection system is relatively easy to install and requires no permanent modifications. Professional installation is recommended for best results, correct routing of -6AN lines and leak-free operation.
Prefer expert fitting? Nforcd offers installation in Warwickshire. Request a quote at Sales@nforcd.com.
Part number
E-N55-PI-BA-BA-BA-550
Manufactured by
Fuel-It
Warranty
One year Fuel-It warranty.
Lead time and important notes
- All port injection kits are built to order - please allow 2 business days before shipping
- For off-road use only
- Ethanol sensors infer content based on the absence of petrol - contamination can artificially elevate ethanol readings
Search-friendly terms
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