I use it at the two long lights on the way to work. On the M3 you have to actively turn it on each time as others have said, so I don't see the issue for those that don't want to use it.
Current: '13 E92 M3 Euro Delivery 9/4
Wife's: E39 M5, E36 M3, E30 M3
Gone: E86 M Coupe