1929 1934 3200 3445 350 75 automobile benz mannheim mercedes r6 tourenwagen 1973 bmw cars germany nuerburgring other races touring front pits closed emblem interior roof 3 close engine hezemans jochen lights neerpasch technical toine up wheel 4 dieter instrument jump panel quester side 1 above alain bonnet hans horn joachim open peltier rear steering stuck