BMW unveils new 7 Series; battery-electric i7
Green Car Congress
APRIL 21, 2022
The 2023 BMW 740i is powered by a thoroughly upgraded version of the iconic B58 3-liter TwinPower Turbo inline six-cylinder engine. The high-voltage battery is heated using a dedicated 5.5 Energy is no longer supplied to the two electric motors in this state, meaning no battery power is consumed.
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