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View Full Version : componets required for installation of 2nd battery



shogun
05-03-2007, 04:59 PM
in an E32. The 2nd battery is installed in the trunk and was an optional extra.
There is a relay in between the main battery and 2nd battery to ensure that they are splitted and that the main battery always has enough power for starting the engine
http://bmwfans.info/original/E32/Lim/750iL-M70/ECE/L/A/1990/02/mg-84/ill-84_0308/