I feel for you. The HD in my X died three weeks after delivery. They ended up having to replace the whole unit. It took a little while but afterwards everything works fine. They gave me a loaner so I could get around - one way to look at it is that you aren't putting miles on your car.

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2012 F10 550xi Carbon black/oyster
2011 E92 M3 SSII/black
2012 W166 ML63 Steel grey/porcelain
2007 E93 monaco blue/beige (retired)
2010 E70 35d Space grey/saddle brown (retired)