Originally Posted by ES_TRADER
Even though it costs more, the added cost doesn't go into the interior. The m3 has the exact same interior trim panels as any other 3 series. Take that and add a much stiffer suspension, 19s, and a heavier engine but no extra sound dampening and younger your rattles.
+1 to exact same interior (other than extended leather ones) - makes no difference which one though..
I get rid of the rattles with this