Spool Performance - Wireless Ethanol Analyzer Kit [S63 F90 M5/ F91/F92/F93 M8]

Spool Wireless Ethanol Analyzer Kit – Real-Time E85 Monitoring via Smartphone App

Get accurate, real-time ethanol content and fuel temperature readings with the Spool Wireless Ethanol Analyzer Kit — a cost-effective, reliable solution for performance vehicles running on E85. Using a Bluetooth 4.0 low-energy module, this analyzer connects seamlessly to your smartphone without draining battery or interfering with other Bluetooth functions.

✅ Why You Need It:

E85 at the pump can vary between 51% to 85% ethanol, making it risky to run without knowing the exact mix. Tuning for E85 when you're actually getting E55 could damage your engine. The Spool Analyzer removes the guesswork by giving you precise ethanol content data instantly.

📱 Free Ethanol Analyzer App:

• Monitor ethanol % and fuel temp (°F) in real time

• Built-in E85 Mix Calculator for perfect blends

• Fully functional app even without hardware

• 100% free to download with no hidden fees

🔧 Seamless Plug-and-Play Installation:

Includes anodized aluminum OEM-fit fuel line adapter fittings for a clean, secure install — no cutting or splicing needed.

🛡️ Backed by Spool’s Lifetime Warranty:

Built to last and covered for life, like all Spool Performance products.

Compatible with: BMW F90 M5, S63, S63M, and F91/F92/F93.
Perfect for tuned and flex-fuel setups that demand accuracy and reliability.