The 52k from the Hannover store Manager sound credible. I never bought Dudenhöfers or other so called expert as they simply not have the know-how the average of this forums members have. They are in their personal ICE echo chamber. Also they actually do not know anything about the 3 really as most have never driven a Tesla in particular not a 3.
My calculations go beyond 50 k for Germany (first wave) and between 150k - 200 k for Europe (first wave). This is the first mover wave say people who are fanboys and buy a car without having driven it and have the financial flexibility. A second wave will follow shortly after people have seen the 3 from friends and family and driven it and after all the FUD about the 3 has been proven wrong and settled.
Sustainable demand for all 3 variants will be very high in Europe. Its the perfect market for this car.
As of now people need to explain why they bought a 3 very soon people need to explain why they didn't.
It seems we can track the number of orders in Europe, funny noone has posted this yet from other countries who have been able to configure for a while:
As of 7pm, approximately 500 people have ordered in Germany. I am in the low 10s. There is an invoice number that appears to be serial. Do people from other countries have that, too? Would be interesting to compare and for estimation of total orders! It is on the top right of the PDF that comes with the confirmation email.