Nice article and thanks for posting.
I think its great that both tastes are catered for in the 330 and 330d
Both are probably top of their class for each fuel and type of car.
They aint wrong about that engine note above 5,000 rpm on the 330i ... it is
It is not an engine ... its a freakin musical instrument
You have gotta admire the D economy with the performace it returns though