Hi all,
I have had this happen twice now, where all the windows and sunroof open and I haven't used the key and the battery has died.
any ideas of what to do would be good thanks.
In the meantime I am disconnecting the battery after use as the car is parked on the main road and not under cover.
I don't use the car daily, as no need, but have lost all trust in the vehicle due to this.

2004 e65 745i sport.

Thanks in advance for any assistance.