Yes, the battery charge problem came on a week ago last Thursday (6th September). It started off saying the battery was low, later in this day this changed to "critical". Phoned BMW and they said "we can fit you in on Tuesday" (!). By the time Tuesday came, the error had gone, they had the car all day and reported "no fault found" so just handed it back without doing anything. Two days later it broke down, and the car has been at the dealer ever since. So much for "no fault found".