Originally Posted by Bartman619
It doesn't matter if the car is or was using an AGM or not. i doub't the cables are an issue since it was able to start when charged. Maybe this will show some insight to Battery Registration.
If you want to keep your invest in an AGM for more than a year, you'll want to get it programmed (for a non-M) and registered.
Otherwise, the battery will prematurely die due to improper charging. Since AGMs charge differently, it IS necessary to program them.
Of course the cables don't matter.....
Read up: http://www.e90post.com/forums/showthread.php?t=473109