Posted: Thu Aug 27, 2009 3:03 am
I just put the drivers seat in my new E12 from 79 and I didn't have to use the bracket I used in my first E12 from 1978. I only needed to slot the holes! It was easy! 
The E12 Registry
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https://www.firstfives.org/phpBB-3.2.1/phpBB3/viewtopic.php?t=736