BMW E60 E90 Rear View Mirror 9134459 E61 E91 E92 E70 X5 X3 Self Auto Dip Dimming
3 Series - E90, E91, E92. 5 Series - E60, E61. BMW auto-dipping electro-chromatic rear view mirror. Automatically dims the dependant on lighting conditions - no more being blinded by cars behind you with their full beam on.