1XGENUINE CR2450 VARTA KEY FOB BATTERY BMW F10 F20 F30 1 5 7 X 3 X5 X6 3 SERIES
Car Key Fob Battery For BMW Remote 1- 3- 5- 6- 7- Series Please check old battery size before ordering to make sure these fit. This is not size CR2032 or CR2016. This replaces size CR2450 only.