In the article the "fastness" of the car is estimated through its weight-to-power ratio (which they incorrectly refer to as "power-to-weight ratio"). The less - the better. The 10th car in the article (Subaru Impreza WRX STI) has that ratio at 11.1, while 2011 335i sedan has it at around 11.9. No wonder 335i is not in the list.
And what did you expect in any case? BMW cars are too overweight to seriously qualify as performance vehicles. The very basic suspension type makes things even worse in the handling department. You didn't take those "Ultimate Driving Machine" TV ads seriously, did you? As it has been stated many times before, 3-series are nice cars and all, but from technical point of view they are nothing more than glorified grocery getters with selection of motors.