Seifert built a number of eigenbau with BMW engines which he used to
compete in the East German championship from 1957, when he finished second
Willy Lehmann, through to 1959.
Siegfried's daughter married Kurt Ahrens (Jr)
Some results for Siegfried:
Halle Saale Schleife 28th April 1957, 3rd
Sachsenring 18th August 1957, 8th
Bernau 15th September 1957, 5th
Kiel 4th May 1958, 7th
Leipzig 15th June 1958, 4th in heat
Dresden Hellerau 21st September1958, 9th
Bernau 10th May 1959, 5th
If you have any more information or pictures, please let us know.