Pari gbolohun ti o tẹle: Ni ọdun 1987 o dije ninu idije idije World Touring Car Championship fun Eggenberger Motorsport ṣiṣẹ ẹgbẹ Ford ti n wakọ awọn ẹya RS Cosworth ati RS500 ti Ford Sierra. Àwọn ẹlẹgbẹ́ rẹ̀ fún ife ẹ̀yẹ náà ni àwọn ọmọ ilẹ̀ West Germany Klaus Ludwig àti Klaus Niedzwiedz àti ọmọ ilẹ̀ Gẹ̀ẹ́sì Steve Soper, tí ó jẹ́ alábàáṣiṣẹ́ rẹ̀. O gba ife-eye 8 ti ife-eye naa, Bob Jane T-Marts 500 ni Calder Park Raceway ni Australia, eyiti o ti ṣiṣẹ lori ọna opopona apapo ati ọna NASCAR "Thunderdome" ti o ga-banked oval, ti n wakọ pẹlu Soper, o si pari karun ni ife-eye naa (Dieudonné ati Soper ti ṣẹgun Bathurst 1000 ni Australia ni ọsẹ ṣaaju ki o to idije Calder, ṣugbọn wọn ti yọ kuro fun awọn atunṣe ti o jẹ aruwo kẹkẹ ti ko ni ofin). O pari kẹta ni ETCC ni akoko 1988, lẹẹkansi fun Eggenberger. Dieudonné díje ni ọkan yika ti 1989 British Touring Car Championship fun JQF Engineering pẹlu Chris Hodgetts ni a Ford Sierra RS500. Ni ọdun kanna o jẹ 1989 24 Awọn wakati ti Le Mans GTP Class ti o bori pẹlu Hodgetts ati David Kennedy fun Mazdaspeed. Àwọn
1991 24 Awọn wakati ti Le Mans ri i pari kẹjọ fun Mazdaspeed ni Mazda 787 ni kilasi C2.