Car and Driver 2006 330i
Zero to 60 mph: 5.6 sec
Street start, 5-60 mph: 6.0 sec
Standing 1/4-mile: 14.3 sec @98 mph
Car and Driver ZHP E46 330
Zero to 60 mph: 5.6 sec
Street start, 5-60 mph: 6.4 sec
Standing 1/4-mile: 14.3 sec @97 mph
Now, can people please stop arguing this topic? The ZHP was meant to increase the sales of the E46 by giving it more modern performance. It was meant as a stop-gap between the model changes. That doesn't make it a bad car, it's just that that was something BMW could do to make the car move on and handle a little better than the base E46. BMW knew what they had coming in the E90.
Personally, I'll be happy when Dinan starts pumping out the performance parts for the E90. I had them on my Z3, and I'll be happy to have them on my E90 as well. You can do the same with your E46.