True plug and play flex-fuel for your  BMW in about an hour with no tuning required.  E9x M3 owners can expect 25-30 additional wheel horsepower when running E85.

ProFlex Commander Features:

• Complete system - everything you need to run E85
• 100% Dyno tested for safety, durability and power gains
• Easy DIY installation - Under an hour with common tools 
• Patented BlendSense technology adjusts in real-time with a 30-millisecond refresh rate
• True flex-fuel - switch from gas to ethanol and back anytime
• Improved injector management for more power on gas or E85
• 7-10% More wheel HP and torque on E85 (dyno proven)
• No tuning required - Compatible with stock or performance gas tunes; instantly adapts to new tunes
• Cleaner emissions and cooler cylinder, oil and coolant temps
• Race grade fuel at the pump - high octane, low cost
• Compatible with power adders and bolt-ons
• ProFlex Connect app provides accurate, real-time ethanol content on your iPhone or Android device via Bluetooth
• Cold Start Plus - improves fuel atomization for easier starting in cold weather

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.