In the Deutsche Rennsport Meisterschaft, a 1400 cc variant (with a 1.4 handicap factor equal to 2000cc) was turbocharged by Paul Rosche according to FIA Group 5 rules.
No Deutsche Rennsport Meisterschaft, unha variante de 1.400 cc (cun factor de 1.4 hándicap igual a 2000 cc) estaba turboalimentado por Paul Rosche de acordo cos regulamentos do Grupo 5 da FIA.