once he has paid you a 50% deposit , he has to to the reg thing in hiis country , and then you de reg it here ,
my friends at Autobmc.com sell a few to germany , maybe worth ringing him for some help regarding the de -reg and how to go about the actual transaction
the german ones when the guys turn up they already have their german plates .
paypal would be your safest bet regarding money , if you do it as a gift you dont get charged fees , there are ways getting round not paying fees , just paid my bodyshop guy same way so could put my bill on my cc without vat