Possible electrical problems

[honolululights]

Does anyone know what activates this all at once when I am ready to start my engine, but just short of cranking it, the interior lights go on, the flasher goes on and my power locks open (regardless of what state it is in)? This seems like the same indications as if my X5 got into an accident. I've read in my manuals, that all of these three things would happen in the case of an accident. This happens up to 7 times a week. I've taken it to the BMW shop and a private auto shop that specializes only in BMW's but they could not find any problems when they attached an onboard diagnostic computer.