Tried a 50/50 blend...at 2.99/gal its relativity cheap.
Avg ignition correction value = 0
17.8 peak psi @ 5000rpm
Fuel trims are about where they should be, and power is there.
I would say it's a reliable source.
E90 LCI M3 7-DCT Interlagos Blue/Novillo Silver
[MS Pullies|K&N drop-in|Test Pipes |Evolve Stage II tune|Evolve Servo Map|Evolve M3 GTS-DCT file]