To get an official VW Birth Certificate, VW requires a payment of 35 Euro (or the equivalent in US dollars - Exchange rate calculator) by credit card (VISA/Mastercard only), check, or cash along with your full name, VIN (chassis) number.
Personal checks can be made out to "Stiftung AutoMuseum Volkswagen"
You can mail credit card details or a check to:
Stiftung AutoMuseum Volkswagen
Brieffach 1003
Frau Neefe
Dieselstrasse 35
D-38436 Wolfsburg Germany
To fax your request with credit card info, use international phone #:
011 49 5361 52010
To transfer the money to their bank account:
Volksbank Wolfsburg
Bank number: 269 910 66
Account number: 811 840 000
Care of: Stiftung AutoMuseum Volkswagen
Keyword: "Urkunde"
The easiest way may be to pay by credit card online:
On the VW Museum Website, you can click on Urkundengenerator (Certificate Generator) and use your credit card online
Click on English at the top of the site to see the form in English or click here:
http://automuseum.volkswagen.de/index.php?id=12&L=1