I both like and dislike the change. I feel the 4 series is moving away from its classic BMW looks with its more bulky design. But I do agree the new model does look more refined and may age better but it feels less distinctive IMO.
i agree with statements about the 4 series design over 3series. the 4 series design has more of a timeless look to it something that won't look old any time soon, same with the outgoing 3 series but it won't last as long as the 4