Finally got in the car but now it won't start. Disconnected the battery and reset the computer. Finally got it to recognize the key fob long enough to go into accesory mode (
1 X CR2450 SONY KEY FOB REMOTE BATTERY BMW F10 F20 F30 1 5 7 X 3 X5 X6 3 SERIES | eBay
BMW Key Fob Battery Replacement - F30, F80, F10, etc. - YouTube