I've been researching battery jumper packs to add to my Z4's trunk. Does anyone have a suggestion on a brand/model? I'm not sure of the cold cranking amps on the Z4, but I do know the battery is 570 Amps. Suggestions?
We have one of these at work and it will start a diesel truck...
http://www.sears.com/shc/s/p_10153_12605_02871988000P?blockNo=1&blockType=G1&prdNo=1&i_cntr=1292200161750
