I have a Shimano Di2 with the SM-BCR2 charger. Unfortunately, Shimano's e-tube software only works with Windows. I installed it in VirtualBox virtual machine and connected the SM-BCR2 to my Apple Macbook. That was a no go.

I've changed the USB port settings from USB1 to USB2 and still nothing. Windows sees the USB port but the e-tube software does not.

I've read about people using VMWare Fusion and having some luck. But also read about people using VirtualBox and having luck. Not sure why it doesn't work for me.

Would I be better off just buying the d-fly unit (EW-WU101?) and connecting via Bluetooth through my iPhone?

  • Just an (obvious) note: using a different unit and different connection protocol might allow you reaching your goal, but it won't solve the original problem. USB device pass-through feature works with certain types of USB devices, but other hardware seems to connect unreliably through it. – Grigory Rechistov Aug 9 at 16:22
  • Bluetooth will only work with the most recent Di2 battery. Alternatively you can get one of these very cheap Win notebooks, just for the work with Di2. Compare the expenses! – Carel Aug 10 at 9:25
  • 1
    Is this a bike problem or a computer virtualisation problem ? – Criggie Aug 11 at 9:17

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