its like the M package for non-m's. Came on the e46 330i and the 330ic. Came with a different front bumper that looks great

, alcantara wrapped steering wheel, alcantara shift boot, I think different suspension, and different wheels. I think the sedan looks better between those 2, one of my fav 4 door bmw's
My fav BMW I really dont know I think I would have to drive more, ive only driven 3 series bmw's.