The patented ProFlex™ Commander adaptive flex fuel system for 1998-03 BMW E39 M5 allows you to start making more power and running cooler with E85.
BMW S62 5L, E39 M5 - Bimmworks Remote Tuning
ProFlex Commander Advanced Fuel Dynamics
ProFlex Commander Advanced Fuel Dynamics
PROFLEX Commander for BMW E90, E92, E93 M3 (S65)
Anyone running E85? BMW M5 Forum and M6 Forums
ProFlex Commander for E39 M5 Wiring Harness Installation
PCF-E39M5-K - ProFlex Commander Adaptive E85 Flex Fuel System
ProFlex Commander Advanced Fuel Dynamics
15+ WHP gains -Full bolt-on, no tuning required -Works seamlessly with your existing mods and pump gas tune -View ethanol percentage on the app, The
PROFLEX Commander for BMW E90, E92, E93 M3 (S65)