Wireless Ethanol Analyzer Kit BMW S55

The Spool Wireless Ethanol Analyzer Kit is an affordable and reliable solution for monitoring ethanol content and fuel temperature in your vehicle. Paired with a GM ethanol sensor and our free smartphone app, this system provides real-time data on the ethanol concentration percentage in your tank as well as fuel temperatures in Fahrenheit. The Analyzer module uses the latest Bluetooth 4.0 Low Energy (BLE) protocol, ensuring minimal battery consumption on your smartphone while maintaining full functionality of your device's regular Bluetooth connectivity. Why Do You Need an Ethanol Analyzer? According to ASTM guidelines, E85 fuel can vary in ethanol content from 51% to 85%, which means the E85 at the pump could actually be E55 with just 55% ethanol. This variability can cause serious issues for enthusiasts running performance E85 tunes. If your tune assumes higher ethanol content than the fuel you're using, it could result in engine damage. By knowing the exact ethanol content in your