Originally Posted by Berki
There are public showers in Terminal 1, Hall B (departure level). Open 24 hours, 6 EUR entrance fee.
You can try to ask your AA rep etc. to issue a guest pass for the FRA admirals club.....
http://www.aa.com/content/travelInfo...rankfurt.jhtml
If you are nice they will do it.
Lufthansa did it a couple of times for me/ family