My fuel flap has a sticker with tyre pressures on it
Nutzlast/payload halb/half voll/full
vorn/ FRONT 16 PSI 17 PSI
hinten/ REAR 24 PSI 26 PSI
AUTOBAHN/HIGHWAY + 3 PSI
also Fuel- MINIMUM 91 ROZ/RON
LEE
I think that you may find that these pressures were for cross-ply tyres, most people tend to run more pressure in the modern radials. I'm sure that there must be a thread about tyre pressures already though.