electricity

The problem is intermittent, sometimes when just cruising all lights on the car turn off, then I mean every single light-headlights, taillights, instrument cluster the only lights that work are the brake lights. But I can sometimes get the lights going again if I just give it a little gas and...

I knoowwww this is a Mercedes forum but i have a problem which may sound relatively simple to car mechs, and i feel a bit stranded on the bmw forum so i'll give it a go here. If i'm breaking any rules just delete the thread. The car hasn't given me a single issue to date, but it has now broken...