How To Reset Car Computer After Changing Battery. Leave the cables disconnected for fifteen minutes. How to Disconnect a Car Battery to Reset the Computer.
Turn the key on but dont start it. First of all turn the ignition key of the BMW car to the accessory position once the lights and radio are on. I was reading OOOO-A3s blog about changing the battery and on there he says you can just change it with a group 47 or group 48 battery.
Thats why I got the battery backup gizmo after changing the.
Every car Ive owned had the battery replaced I hate factory batteries. And nothing about having to reset anything. Asked by Visitor in Las Vegas NV on September 12 2018. Disconnecting the battery for a short time may not do the trick because the cars computer or ECU still has some current in it.
