Audi stolen ;(;(

Moin, as some might have noticed here, I bought a very well-preserved Audi 90 2.3 bj 89 a month ago and now he was stolen from me on the weekend. I already called the few tow companies within 50km of Ostenholz (Walsrode) and there is also nothing known with the police. I even had my immobilizer installed by the previous owner, because I put the car off at a sports home over the weekend (unfortunately not the busiest corner at the Wald und Wisen) And that someone has towed is also quite unlikely, because he was not standing on the road, in the way or something, only at the side of the road. However, with Teilkasko the damage is theoretically settled, right? Have read here now something from 1-3 months wait until you get money. But much money will not be given for it anymore?