Spool Mercedes M177 C63 AMG Wireless Ethanol Analyzer Kit m256 making it the perfect choice

making it the perfect choice for S 63(S) M157 owners seeking elevated performance

3in Twin Flow Oval filter to be able to function

cohesive look for your engine bay

Experience improved response

Spool Mercedes M177 C63 AMG Wireless Ethanol Analyzer Kit m256 making it the perfect choiceThe Spool Wireless Ethanol Analyzer kit is a very cost effective and robust ethanol content and fuel temperature monitoring solution. With the included smartphone app, the analyzer paired with a GM ethanol sensor can display the in tank fuel's ethanol concentration percentage and fuel temperatures in Fahrenheit. The Analyzer module incorporates the latest Bluetooth 4. 0 low energy protocol which means very little battery usage on your smartphone and