There is no 'Official' retrofit kit from BMW so the answer is probably no. Looking at Realoem it looks like a major piece of work to add it as most if not all of the steering system has to be changed and various electronics modules added.

It won't be cheap if it is possible.

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Me:
Current: 2011 E71 40D Vermilion Red/Beige Nappa

Wifey:
Current: 2012 R80 Countryman SDX Green/Cream