BMW E-Chassis 535i and Z4 Fuel Line and Ethanol Sensor Upgrades

SKU: BMW-FFK-E04-FLO

BMW E-Chassis 535i and Z4 Fuel Line and Ethanol Sensor ...Read more

Choose your platform type: 535
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Choose your upgrade option: Upgraded fuel line from HPFP to the tank (NO Ethanol Sensor Included)
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Add our universal Bluetooth ethanol analyzer (requires ethanol sensor upgrade): Do NOT include and ethanol analyzer.
In Stock! Ships within 24 hours
Price:
Sale price$125.95
1250 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

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Sizing & Fit

BMW E-Chassis 535i and Z4 Fuel Line and Ethanol Sensor Upgrades

  • Brand: Fuel-It
  • Category: Flex Fuel Kits

Fuel-It! BMW E Chassis Fuel Line and Ethanol Sensor Upgrades for the E60 535i and E89 Z4


We currently offer a variety of options to upgrade the fuel feed lines on your N54 and N55 equipped 535i or Z4 E-series BMW. All fuel line upgrades are 3/8" (AN6) and E85 compatible. In addition, we utilize our own custom fittings made specifically for your BMW so that you can maintain the stock connections at the HPFP, the tank, and the ethanol sensor should you choose to install one.
  • HPFP to the Tank:
    • This upgrade replaces both stock fuel lines with one upgraded continuous fuel line from the fuel tank to the HPFP.
  • HPFP to Port Injection:
    • This option adds the Tee line you need to integrate your port injection kits but retains all your current fuel lines and is compatible with the stock lines as well as upgrade lines and flex fuel kits.
    • HPFP to the Tank with Ethanol Sensor:
      • For those that want to run ethanol, we also offer this upgrade with an integrated ethanol sensor.
    • Port Injection Spacer to the Tank:
      • If you are running our port injection kit, this upgrade replaces the stock fuel lines from the tank to the engine bay and then utilizes a Y adapter to supply the HPFP and PI with fuel. Our custom fittings remove those tees and extra fittings for a cleaner high flow setup
    • Port Injection Spacer to the Tank with Ethanol Sensor:
      • For those that want to run ethanol, we also offer this upgrade with an integrated ethanol sensor
      • Phoenix Racing Manifold to the Tank:
        • If you are running the Phoenix Racing Manifold port injection kit, this upgrade replaces the stock fuel lines from the tank to the engine bay and then utilizes a Y adapter to supply the HPFP and PI with fuel. Our custom fittings remove those tees and extra fittings for a cleaner high flow setup
        • Phoenix Racing Manifold to the Tank with Ethanol Sensor:
          • For those that want to run ethanol, we also offer this upgrade with an integrated ethanol sensor

          *Note: An ethanol analyzer must be used in conjunction with the ethanol sensor to read your ethanol content.

          • Bluetooth and JB4 integrated (0-5 Volt)
            • Bluetooth (iPhone or Android app must be downloaded to use this feature)

          *For the BMW E-series JB4 platform connect the white wire to position #15 on the JB4 25 pin harness. Select WMI page option 15/16 input to enable.

          *These kits are available for off-road use only

          PLEASE CONTACT US IF YOU DON'T SEE THE OPTION YOU NEED OR WITH ANY QUESTIONS YOU HAVE!

          BMW E-SERIES FUEL LINE AND ETHANOL SENSOR UPGRADES

          Videos



          BMW E-Chassis 535i and Z4 Fuel Line and Ethanol Sensor Upgrades

          • Brand: Fuel-It
          • Category: Flex Fuel Kits

          Fuel-It! BMW E Chassis Fuel Line and Ethanol Sensor Upgrades for the E60 535i and E89 Z4


          We currently offer a variety of options to upgrade the fuel feed lines on your N54 and N55 equipped 535i or Z4 E-series BMW. All fuel line upgrades are 3/8" (AN6) and E85 compatible. In addition, we utilize our own custom fittings made specifically for your BMW so that you can maintain the stock connections at the HPFP, the tank, and the ethanol sensor should you choose to install one.
          • HPFP to the Tank:
            • This upgrade replaces both stock fuel lines with one upgraded continuous fuel line from the fuel tank to the HPFP.
          • HPFP to Port Injection:
            • This option adds the Tee line you need to integrate your port injection kits but retains all your current fuel lines and is compatible with the stock lines as well as upgrade lines and flex fuel kits.
            • HPFP to the Tank with Ethanol Sensor:
              • For those that want to run ethanol, we also offer this upgrade with an integrated ethanol sensor.
            • Port Injection Spacer to the Tank:
              • If you are running our port injection kit, this upgrade replaces the stock fuel lines from the tank to the engine bay and then utilizes a Y adapter to supply the HPFP and PI with fuel. Our custom fittings remove those tees and extra fittings for a cleaner high flow setup
            • Port Injection Spacer to the Tank with Ethanol Sensor:
              • For those that want to run ethanol, we also offer this upgrade with an integrated ethanol sensor
              • Phoenix Racing Manifold to the Tank:
                • If you are running the Phoenix Racing Manifold port injection kit, this upgrade replaces the stock fuel lines from the tank to the engine bay and then utilizes a Y adapter to supply the HPFP and PI with fuel. Our custom fittings remove those tees and extra fittings for a cleaner high flow setup
                • Phoenix Racing Manifold to the Tank with Ethanol Sensor:
                  • For those that want to run ethanol, we also offer this upgrade with an integrated ethanol sensor

                  *Note: An ethanol analyzer must be used in conjunction with the ethanol sensor to read your ethanol content.

                  • Bluetooth and JB4 integrated (0-5 Volt)
                    • Bluetooth (iPhone or Android app must be downloaded to use this feature)

                  *For the BMW E-series JB4 platform connect the white wire to position #15 on the JB4 25 pin harness. Select WMI page option 15/16 input to enable.

                  *These kits are available for off-road use only

                  PLEASE CONTACT US IF YOU DON'T SEE THE OPTION YOU NEED OR WITH ANY QUESTIONS YOU HAVE!

                  BMW E-SERIES FUEL LINE AND ETHANOL SENSOR UPGRADES

                  Videos



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