In this video, we walk through the steps necessary to properly install the Fuel-It Ethanol Content Sensor in your Audi B9/B9.5 S4, S5, SQ5, or RS5. Monitoring the ethanol content of your Dynamic+ Tuned Audi running ethanol files is a crucial step in ensuring that your car is running the minimum ethanol content. For 034Motorsport E85 Stage 1, Stage 1+, or Stage 2 files, this content is E60-E85. If your ethanol content is E59 or lower, we recommend flashing back to a pump gas file. Chapters: 0:00 Introduction 0:10 Required Materials & Tools 0:25 Disassembly of Fuel System 1:08 Tips on Placement of Ethanol Content Sensor 1:31 Trimming of Fuel Line 1:45 Installing Bundy Fuel Connectors 2:12 Reassembly of Fuel System 2:23 Wiring 4:10 Congrats, You have Successfully Installed Your Fuel-It Bluetooth Content Analyzer! Required Tools & Materials: Razor Blade Hose Cutting Tool Pliers Oetiker Clamp Tool Wire Stripper 2x M8 Ring Terminals GM Ethanol Content Sensor Fuel-It Device & Wiring Harness Wire Crimp Tool 13mm Socket 17mm Socket Ratcheting Wrench 15.7mm Oetiker Clamps Bundy Connectors (3/8 Steel to 5/16 Hose) 14mm Open Ended Wrench Fuel-It: https://fuel-it.com/products/fuel-it-... Dorman 90 Degree Connectors: https://www.dormanproducts.com/p-1375... Dorman Straight Connectors: https://www.dormanproducts.com/p-2063... Oetiker Clamps: https://www.amazon.com/Oetiker-Steple... Oetiker Clamp Tool: https://www.amazon.com/Oetiker-141003... Ethanol Sensor: https://www.amazon.com/ACDelco-135071... #034Motorsport #DynamicPlus #Drive034