Bluetooth Flex Fuel Kit For N20 N26 BMW 120i, 220i, 320i, 420i F Chassis M550i (G30) The firmware is below and

The firmware is below and labeled for the X1/Z4 series N20

Before and after dyno testing can be seen here

optimizing performance and allowing for better overall efficiency

A5 B9 (190HP)

Highlights

Bluetooth Flex Fuel Kit For N20 N26 BMW 120i, 220i, 320i, 420i F Chassis M550i (G30) The firmware is below andLooking to run ethanol mixes in your N20 N26 BMW, you need this kit! Know your exact ethanol content in real time via the Fuel it! or JB4 app on your smartphone or tablet. This is a complete plug and play kit to install a Bluetooth ethanol sensor in about 30 minutes. (Check compatibility for your platform below) The kit includes the following: New 5 16" E85 compatible fuel lines for your engine bay Genuine Continental ethanol sensor Fuel It! Bluetooth