Interestingly, I'm getting into motorbikes as a weekend toy, not to commute. I'm not awake enough in the morning (not a morning person at all) and traffic is too hectic for me as a complete beginner to risk it.
The 3er is just dull unless I've driving it at full-tilt
. It's great fun when I do, but I'd like to get more enjoyment cornering at 60km/h instead of 90. Plus, I want to try something new while I still have time, and I've wanted to ride for many years now.
In essence, the point of the sport bike is to get something that's more fun than a car that's "too" capable. The 3er is faster (240 top end), probably corners faster, and stops better. But it's less exciting.