Siegfried 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 to 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
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
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