Quote:
Originally Posted by JB3
another slightly different way if the rubber is shot-
My lower bracket on the bumper itself was broken, just like all of them it seems, and the rubber pad was also ripped and useless
I ground that out, and I bent two pieces of 3/16ths steel in U-shapes that matched the contour of the inside of the bumper
I then wheeled off the rest of the rubber pad and welded the U's to the bumper shock. Im sure you could bolt it same way though
looked like this ultimately-

So the shoc
Similar to the OP, only a pair of carriage bolt tops are visible, though top and bottom vs both on the bottom. Also I used stainless steel bolts

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Also an excellent fix. I guess the top carriage-bolts are hidden by the bumper-skirt. But obviously requires careful measuring, bending & welding. So if the bumper eventually falls off my '82 240D, I'd go with the OP's solution.
My '84 Euro TD got an early W123 US sedan bumper to replace the mangled Euro version and match the US front bumper a PO already installed. So it has the 8mm factory carriage-bolt mounting instead of the welded aluminum of the later US bumpers.
Since then, I found a decent set of Euro wagon bumpers, so now thinking of going that way and re-installing the Euro trailer-hitch.
Happy Motoring, Mark