Universal Fuel-It! Bluetooth Flex Fuel Kits Choose your ethanol sensor::379 (Medium) the JB4 allows you to

the JB4 allows you to go from factory stock to full race and everywhere in between

This plug & play air intake system unlocks up to 8whp to the wheels from your F chassis B58 BMW engine

• Extended life

Boost added is user adjustable with the optional BMS data cable with the default boost gain set to 3

The JB4 Tuner does not require any additional modifications or previous stages

Universal Fuel-It! Bluetooth Flex Fuel Kits Choose your ethanol sensor::379 (Medium) the JB4 allows you toThis is the complete solution for adding a Bluetooth compatible flex fuel analyzer to your vehicle with an ethanol sensor and a variety of optional 6an (3 8") or 5an (5 16") Fuel It! fittings. All of our Bluetooth Ethanol Analyzers include the optional 0 5V analog output or 50 150hz raw signal output in the same unit! Includes 0 5 volt linear output 0 volts = 0% ethanol 1 volt = 20% ethanol 2 volts = 40% ethanol etc. Includes 50 150 raw signal linear