Known issue from early 2010, on a few early Z4's. Complete reprogramming of the cars electronics, usually needs 4-6 hours unless it "hiccups", and then they start over. You will be much happier when it is done. do NOT leave your phone in the car and plugged.
http://e89.zpost.com/forums/showthre...highlight=PUMA
schedule an appointment to get the new software installed.