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Originally Posted by E90Fleet
48V sounds a bit high. Very difficult to get enough car batteries in there to make it work without the alternator running.
Sure its not 12V with some 24V components like the G11/G12 ?
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12V batteries with DC/DC inverters. A few cars have the new layout but only for Light to Mild hybrid setups. There are benefits for standard ICE cars to be had as well.
A major change for the new BMW 5 Series is electric architecture upgraded to a 48V system in order to reduce weight and permit numerous advanced automated driving features.
Whether this is for every model or only some isn't explained well.