No
You do not have to reset anything. but you should have the battery disconnected. and once you reconnect the battery it will reset your computer.
Radio presets.
do you have to reset computer after changing battery in 2003 745li
no
You do not have to reset the keyless remote after battery replacement.
You do not have to reset the computer.
You do not have to reset the key fob when changing the battery.
There is nothing concerning the computer that needs to be reset.
No.
No, you do not have to reset the computer. It will take care of itself.
The only thing you will have to reset is the clock and the radio presets.
Nothing to reset except the radio presets and the clock.