Originally Posted by Epacy
I would have to further research the weight difference between the two. Do you have figures?
Also, how do you know the gain is only minimal by disconnecting the alternator. Do you have data?
Take a look at this: http://bmwfans.info/original/E92/Cou...1/ill-61_2091/
Difference is about 2kg for the battery itself.
Best regards, south