in advance: am not an insurance representative, the following presentation therefore without guarantee.
An article in Spiegel-online http://www.spiegel.de/auto/current/0,1518,5184,00.html
I was prompted to examine the new grouping of the D2. As it appears that only the D11 'was written so far, the data for the D2 (previous year in brackets) are below:
. . . . HP . . TK . . UK
2,8 22(22) 25(30) 27(40)
3,7 22(22) 26(32) 28(40)
4,2 23(23) 29(34) 30(40)
Values for 193/260/310 PS versions, pre-mopf (?) if applicable. different, but certainly with the same tendency.
In this way, the individual regional or regional authorities are responsible for the development of the region. In 2008 the KfZ insurance should be more favourable than the general trend.
My current experience: In the online inquiry of my contract, my premium (HP+UK) will be reduced from EUR 774 in 2007 to 690 in 2008. So far so good. When comparing via tariff calculator, however, it was found that I would pay as a new customer even only EUR 586 (coverage amount unchanged EUR 100 million; if necessary. but deviations in fine print).
Now you can understand that new customers need to be lured, but customer 2. That's why you don't want to be class, and at all. So, grabbing the phone and politely asking if there's anything else going on. And behold, it went. In the result, the same other conditions (o.k. I have not yet received the fine print) now only EUR 564. 
Conclusion: Better not by 30.11. wait, but - after you have calculated an offer as a new customer via tariff calculator of your association - ask the premium for 2008 before the deadline and if necessary kindly ask if there is anything going on.
With kind greetings
armin
