Solved: Rust never sleeps - Water edition

[pnegyesi]

and my lock will also be up soon. I absolutely have no idea about the coachbuilder. Was it a pre-war company involved in passenger cars?

[Wendax]

Yes, a well-known coachbuilder.

[pnegyesi]

Carrosserie Graber?

[Wendax]

No

[pnegyesi]

I honestly have no idea, what you had in mind. Maybe it's very obvious, but I have no clue. You can unlock it.

[Wendax]

Reluctantly unlocked, as it is a well-known coachbuilder. Small hint: the most famous car bodies came from a subsidiary in another town.

[pnegyesi]

Probably Gangloff

[Wendax]

Yes, locked for you again to find the matching Extension.

[pnegyesi]

I still have no idea. Maybe extension i

[Wendax]

No

[pnegyesi]

I can only go by the power of elimination.
Definitely not: C, E, F, H, I, M, N, P, Q, R, S, T, U, X, Y, Z
So this leaves me: A, B, D, G, J, K, L, O, V, W

This may take a while
Hopefully not A, B or D
G is unlikely
K doesn't look like a Gangloff product to me
L doesn't look like a Gangloff building
O is too modern

Then let's start with V

[Wendax]

You are right about G, K, L and O. And it is not V. And it is a straightforward connection to Gangloff.

[pnegyesi]

B?

[Wendax]

 

[pnegyesi]

I am totally in the dark. J?

[Wendax]

No

[pnegyesi]

Luckily not much choice left. It is not a museum, so not D. Hopefully not a caravan so not W. Which leaves me with A

[Wendax]

Yes, any idea what the connection might be?

[pnegyesi]

as you can see I still have no idea what you had in mind. Sorry

[pnegyesi]

on a more positive note, you conveniently left the watermark visible on extension T. It wasn't difficult to find it, a carnaval in Maureillas in 2012. So by going backwards, is there a carnaval-related water theme?

[Wendax]

 
No carnaval-related water there, so it has to be the other part of the correct identification, with a little twist though.

[pnegyesi]

No carnaval-related water there, so it has to be the other part of the correct identification, with a little twist though.

Well, because usually there is a twist and there is a Musée Liege in Maureillas hence my earlier question on cars made in Liege.

So

Maureillas-Las-Illas
I put in Google: Illas Fountain and lo and behold: Fenollar Saint Martin in Fresco. Water 20!!!

I am on a roll (though I still don't know how you can connect a Roman relief of a chariot to Gangloff, but hey, nobody can be perfect)

As for the car, "Martin" is the keyword, right?

[Wendax]

Well done! 20 - t locked for you. And to make it even easier, Martin is not the keyword. 

[pnegyesi]

Trying to get into your head. Could W be the car? A Stimula made by De La Chapelle?

[Wendax]

Get out of there! 

It is not W. The keyword was already contained in your reply #96, so it being not Martin really helps.