The battery pack that will underpin the Neue Klasse gets new tech, a new layout, and more range.

Aside from a panoramic LED roof that’s now standard on the 740i and 750e xDrive, there are no major changes to BMW’s flagship luxury sedan for 2025.

In the quest to bring EVs up to par with hybrids and internal combustion engine cars on these two fronts, automakers have been working hard to develop better battery technology. It seems like BMW ...