BMW will reveal the next generation of its 3 Series at the Paris motor show in October. The next-generation 3 Series will make the move to the larger CLAR architecture, which debuted with the 5 Series and X3 models. The shift will allow the 3 Series to use the same all-electric powertrain and battery pack as the upcoming i4 BEV, earning itself an i badge. BMW will hint at the strength of the 3 Series’ electric future with two plug-in hybrid versions early in its production cycle before unleashing the full electric version for the tighter EU7 emissions rules in 2020. The first of the plug-in hybrids will run the Mini Countryman plug-in hybrid’s (PHEV) powertrain, which combines a 1.5l, turbocharged petrol engine with an electric motor. A more powerful PHEV should use a 2.0l turbo petrol motor in concert with a more powerful electric motor and could even use a 330e badge. The full battery electric 3 Series should arrive in 2020. The powertrain layout is based on the Vision Dynamics co...

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