I was surprised to see the trunk area silver?:confused: I guess Fjord Blue is not the original color?
David:
Are you suggesting that silver is your car's original color, and not Fjord, because there is a stripe of silver beneath the gas tank lip? I'm no expert on CS coupe bodies, and it's a little tough to see the detail in the photo you posted, but I'm skeptical.
1) If the trunk area was repainted silver-->fjord, I would expect to see overspray on the tank - if the painter was too lazy to pull out the tank, they would probably also be too lazy to mask it.
2) It is pretty hard to completely obliterate a car's original color. If you haven't found traces of silver underhood, behind the dash (look through the hood lever&fuse access door), etc - if those places are all fjord - then the factory probably painted it fjord.
3) Send an email to Andreas Harz at BMW and he'll tell you your car's original color.
Last point: What's that thing that looks like a brake fluid canister at the center of the first picture you posted?