I've driven the F30 320d ED and to be honest compared to the 320d in real terms I could not tell the difference. I tend not to thrash my cars (as I own them) .... except for the odd occasion when some boyracer with his stuck on LED lights Corsa 1.4 needs a proper whipping
One thing that I did notice was that the ED did roll around a lot more in corners. I've gone for M Sport trim & Adaptive Suspension as the ride on the M Sport suspension around London is pretty unsettled. Adap Sus in Comfort mode gives a nice relaxed ride and then stiffens up nice in Sport mode when there are some nice fast bends.
Also the ED defaults to ECO-PRO mode on start up, compared to the rest of the range which start in Comfort. You'll want to get off ECO-PRO....its a performance killer, also I don't think ED gets Sport+ mode. I've never used it and prob won't.