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.
Anyone running E85? BMW M5 Forum and M6 Forums
The Best BMW Performance Upgrade Part
Advanced Fuel Dynamics PFC-E46330 Advanced Fuel Dynamics PROFLEX
ProFlex Commander for E39 M5 Wiring Harness Installation
BMW Advanced Fuel Dynamics
024413TMS01 - Turner Motorsport Muffler Delete - E39 M5 S62
S62 BMW E39 M5 BMW V8 Engine - Rare Engine £3,500.00 - PicClick UK
BMW OEM E39 M5 S62 V8 DRIVER LEFT SIDE ENGINE MOTOR CYLINDER
20+ WHP gains -Full bolt-on, no tuning required -Works seamlessly with existing mods and pump gas tunes -View ethanol percentage on app, The PROFLEX
PROFLEX Commander for BMW E46 M3 (S54)
BMW OEM E39 M5 S62 V8 DRIVER LEFT SIDE ENGINE MOTOR CYLINDER
BMW OEM E39 M5 S62 V8 DRIVER LEFT SIDE ENGINE MOTOR CYLINDER
STAGE 1 Performance tune, Modifications: None (Stock), + 15 hp / 14 lb-tq, STAGE 2 Performance tune, Modifications: Catless headers, + 32 hp / 31
BMW S62 5L, E39 M5 - Bimmworks Remote Tuning
ProFlex Commander for BMW E60 M5 & E63, E64 M6 (S85)
STAGE 1 Performance tune, Modifications: None (Stock), + 15 hp / 14 lb-tq, STAGE 2 Performance tune, Modifications: Catless headers, + 32 hp / 31
BMW S62 5L, E39 M5 - Bimmworks Remote Tuning
ProFlex Commander for BMW E39 M5 (S62)