The Dixi Sport cars, were in fact build by Luigi Racing. When the two parties split up during the season, Luigi continued with the pair of cars, while Dixi went with a Mercedes 190.
German team owner Frieder Nickel tried the 75 TE for the 1987 DTM with defending champion Kurt Thiim as driver, but poor performance and even worse reliability meant very little in terms of results.
A M. Kopf raced a single DTM race in 1987 with another 75 TE.
Here is the Portugese 75 TE:
http://cvc1.com.sapo.pt/images/1987/Diapositivo32.JPG. Rufino Fontes driving.
Jesper