BMW i4 concept previews 523-horsepower Tesla Model 3 rival

BMW is working on a new generation of its 4-Series and this time around a battery-electric car called the i4 will fill in for the 4-Series Gran Coupe. The i4 is still a year away from launch but BMW will preview the design at next week's Geneva International Motor Show with the Concept i4. The Concept i4 is actually the second concept to preview...