FormulaFlash read 2016 BMW 5 series MSD85 ISN from a 2016 BMW 5 series successfully.
Run FormulaFlash software, select BMW- 5 series- 2003-2016- MSD85 ECU
Select Bench Mode. Formulaflash also reads MSD85 in boot mode.
Check wiring diagram and connect MSD85 with formula flash following the wiring diagram.
Connect ECU
Select VIN/ISN/IMMO OFF function.
Read ISN successfully.
Formulaflash also modify and change MSD85 ISN in one-click, check instructions here.
http://www.pcmtuner.org/formulaflash-modify-bmw-msd85-isn-vin-by-one-click/