My car is parked in my garden well away from the road or interference.
> It is a 2000 540 tourer with 54K miles on it and I have had it for 3
> months without any real problems. Today my wife noticed the car
> windows and the roof had opened and it was raining. It was ok 30
> minutes earlier. I went out to close everything and I found the doors
> were also unlocked. Can anybody tell me what has caused this please?
You've been sitting on the keys? Holding down the remote unlock will open the windows and sunroof.