Are there showers and all in the business class lounge in frankfurt?
this would be really a tough one, there are tons of lounges there.
Senator Lounge Frankfurt/Main International Terminal A, Level 2 opposite A26, Schengen
Senator Lounge Frankfurt/Main International Terminal B, level 3, central area
Business Lounge Frankfurt/Main International Terminal 1, departure area B, opposite gate B44
Business Lounge Frankfurt/Main International Lufthansa "Tower Lounge" Terminal A; Level 3 (Non Schengen); access at Gate A65
Business Lounge Frankfurt/Main International Terminal A Schengen Level 2 opposite A26
Business Lounge Frankfurt/Main International Terminal 1, Departure B, near to Gates 24-28
Business Lounge Frankfurt/Main International "C/D-pier", Terminal 1, Departure area C, Priority gates C14/C15
Business Lounge Frankfurt/Main International "C/D-pier", Terminal 1, Departure Gate C, Priority gate C16
those are just the ones for star alliance gold...