Compared to the regular hatchback, the M-package adds a new front bumper and a dual exhaust at the back with large tailpipes than the regular 135i. The car will likely make use of the same award-winning 3.0-liter twin scroll engine, developing north of 300 hp.
Visually, the model is not a drastic departure of the current lines, even if the new 1 Series will receive a longer body and some new styling here and there, mainly to the grille, bumpers and tail lights.
The new 1 Series will come to the market with a less compact look and a more sport-oriented design, looking a bit wider and more purposeful than the current model. It is exactly the sporty trait that will be targeted with the engines which will be fitted onto the model as well.
The backbone of the 1-Series range will consist of two 2.0-liter four-cylinder turbocharged engines, which will develop 204 and 238 horsepower, respectively. Smaller, but equally as vivid gasoline engines will be making under the hood, as 1.2l and 1.5l units with provide outputs ranging from 70 to 184 horsepower.
The German manufacturer is also said to be working on a so-called "Supersport" version of the 1 Series which will be positioned between the 135iS and the future M3.