BMW Hyrogen Research Plant?

Does any one know where BMW's Hyrdgrogen research plant is ,and where do they keep there h20 cars when they are retired (like the 750HL from the 70's)

Its for an Essay and I would really appreciate it.

bump

I remember reading somewhere that it was located somewhere in Britain, sorry for not being very specific...

Remember to include some information on BMW's recent record settings with its H2R.

http://www.bmwusa.com/bmwexperience/buzz/news.htm?article=120

Finally, please do not bump threads, especially if their just one day old...