The BMW 3 Series celebrates its 50th year this year, as iconic a car as BMW produces, and the marque just unveiled a new special edition to mark the occasion. The BMW M340i xDrive 50 Jahre Edition comes with Extended Merio Leather on the inside, a first for the 3 Series, BMW says, and buyers can choose among three different tones, whichever complements the exterior paint color best. The BMW M Performance exhaust system lends the 50 Jahre Edition an air of danger, and a rear spoiler made of carbon fiber gives the car a racy feel, if not the downforce of an actual race car. There is special badging, too. The powertrain is untouched, with the 50 Jahre Edition pushed on by a 3.0-liter inline six-cylinder engine in a mild hybrid system. The engine is mated to an 8-speed transmission and powers all four wheels. The powertrain makes 386 horsepower at max, and the car goes..