find a spot as showgun mentions behind pass side in trunk. Wire it up in parallel and go on with it. The alternator will be good enough as long as both are not dead. and last of all I dont think you need 2 batteries... I mean there are a couple of us on here getting away with one battery. 
Originally Posted by
///Sniper535
I have a spare battery and I was curious how to go about doing this. Anyone have any write ups?
95 E34 530I V2.37
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