2021 BMW 5-Series gets 545e performance plug-in hybrid

BMW's 5-Series has undergone a mid-cycle update for 2021, with the updates including revised styling and new electrification options in the form of mild-hybrid and plug-in hybrid powertrains. Here in the United States the top models remain the V-8-powered M550i and M5, but in other markets the 5-Series' top echelon will also see a new 545e plug-in...