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.
'14 S5 DSG
'09 E90 M3 DCT (sold)
[Evolve ECU/TCU|MS Pullies|K&N drop-in|Test Pipes]