Passport BMW

Beloved luxury automaker BMW has finally revealed details on its new 2.0-liter 4-cylinder engine slated to appear in many North American models, starting next year. Code-named N20, it's actually an indirect replacement for the least powerful version of the German carmaker's classic 3.0-liter inline six-cylinder gasoline engine.

Running a twin-scroll turbocharger together with BMW's patented variable valve timing and variable camshaft-control systems, the new 1,997-cc unit reportedly produces 245…

Last summer, BMW teased the world with a sneak peek of the Megacity EV designed especially for the urban driver. Expected to go on sale sometime in 2013, the imminent EV is BMW's first zero-emission all-electric regular series production vehicle.

The BMW Megacity EV will be made of a cutting-edge carbon-fiber/plastic composite material to offset the usual weight that accompanies an electric vehicle's battery pack. To ensure that every available unit of…