Originally Posted by ABMW

The mirror is heated, at certain times. It may have had a short, and mixed with a bit of dew or water, it could have cracked.

Parts are in short supply, across the board for the 35d. I seriously doubt BMW assumed that a $65k (well equipped) vehicle would be selling like hot cakes in this economy.

They're probably scratching their heads right now, that or rolling around in all their money.