According to a new report from the US , BMW 's M ##3 is set to further develop plug - in hybrid technology . The plan for the future replacement of both the current M3 sedan and M4 coupe , says US news service The Detroit News , is for both cars to draw on the current But rather than using a driveshaft to also power the front axle, the forward wheels would be electrically driven, the BMW M executive explained. i sub - brand"s know how and adopt all - new plug - in hybrid tech . The top secret details , leaked by a source close to BMW , suggest the new technology is being developed for both rear and all - wheel drive applications , and the reason for the hybrid tech development is to meet increasingly stringent emissions and fuel economy standards around the world .
According to a new report from the US , BMW 's M ##3 is set to further develop plug - in hybrid technology . The plan for the future replacement of both the current M3 sedan and M4 coupe , says US news service The Detroit News , is for both cars to draw on the current i sub - brand"s know how and adopt all - new plug - in hybrid tech . The top secret details , leaked by a source close to BMW , suggest the new technology is being developed for both rear and all - wheel drive applications , and the reason for the hybrid tech development is to meet increasingly stringent emissions and fuel economy standards around the world .