Listed a used e9 hood off of a (restored then wrecked) 2800cs with no rust on ebay. Not sure if it can be straightened out or not, but I'll give it a shot before I junk it.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=280697382861
More pics here:
http://s231.photobucket.com/albums/ee124/ibchumpy/BMW e9 Hood/
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=280697382861
More pics here:
http://s231.photobucket.com/albums/ee124/ibchumpy/BMW e9 Hood/