Originally Posted by chriszeh
not sure if it will help me out or not but i always have my car hooked up to a battery tender when its in the garage since i dont drive it much. hoping that will preserve the battery life some. if it fails i was gonna go with the mini battery to save 25lbs.
It can't hurt. I think I killed the battery in my e46 M because I would let it sit during the winter for several days without a charger. That was a different story. When that battery died I bought a Duralast from Autozone and changed it in their parking lot.