Chris Bangle oversaw the production of the E46.
If you'll note, some of the worst "Bangle-isms" occurred on Hooydonk designs... the 6-series being one of the worst. Now Hooydonk is head of BMW design... be afraid...
People directly responsible for certain BMW designs:
BMW Car Designers
Nothing. Less rear seat space. Less refined. Fuel eocnomy sucks with the automatics... and even with the manual, if you're getting a 318. Most "M-Sports" are merely badge-jobs that aren't really fast or particularly sporty.