Undercoating

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Maxim_d

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Hello,

At this moment my car is at the paint shop getting ready for it's final paint but I'm having a hard time finding the original whereabouts of the undercoating.
I found this topic: http://www.e9coupe.com/forum/showthread.php?t=17405&highlight=undercoating
But there isn't really an answer there..

Are the side rockers black? or coating with paint over it? or just paint?
How about front and rear? Where is black coating starting?
Anyone here with an unrestored car?:neutral:

Thanks,
Maxim.
 
The undercoating called Shutz, is applied under the front and rear bumpers before being painted body color, no undercoating on the rockers themselves but the rocker covers get the undercoating and then are painted black. The undersides of the coupes were painted in the khaki/grey color with overspray from the body. I think most US coupes got grey undercoating applied at the ports when they landed or at the dealer, it turns dark from oil and dirt over the decades and some then assume it was originally black. I used Wurth grey on my undersides a couple of years ago.

And BMW still uses the same primer in khaki/grey, I saw it at the factory this summer in Munich.
 
I don't know when the 2 stage color/clear started at BMW, but the '73 CS I had was Nachtblau with clear coat. By early '76, the clear coat was starting to 'craze'. BMW picked up half the cost of having the paint stripped to bare metal and refinished in base/clear.

I later had a '73 SL Benz in silver/ also crazed. But, that was in the '80's, and MB did not contribute to refinishing cost.
 
HB Chris said:
The undercoating called Shutz, is applied under the front and rear bumpers before being painted body color, no undercoating on the rockers themselves but the rocker covers get the undercoating and then are painted black. The undersides of the coupes were painted in the khaki/grey color with overspray from the body. I think most US coupes got grey undercoating applied at the ports when they landed or at the dealer, it turns dark from oil and dirt over the decades and some then assume it was originally black. I used Wurth grey on my undersides a couple of years ago.
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And BMW still uses the same primer in khaki/grey, I saw it at the factory this summer in Munich.
Click to expand...
So there should be no black on the visible areas?

In this picture you can clearly see a black coating on the rockers?
Even tough they claim this is an unrestored car.
https://goo.gl/photos/jd2SKJuXn26qmQHm8


Does anybody have any pictures from 70's magazines (or anything else) where you can clearly see the lower sides?
 
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