| 10.4.1983 | 500 km Vallelunga | | 635 CSi | Bos / Duby | | 21st |
| 10.4.1983 | 500 km Vallelunga | | 528i | Boucher / Baert / "Davit" | | 13th |
| 10.4.1983 | 500 km Vallelunga | | 528i | Cipriani / Toffoli | | 26th |
| 1.5.1983 | 500 km Donington | 1 | 635 CSi | Kelleners / Grano | Eggenberger/BMW Italia | 13th |
| 1.5.1983 | 500 km Donington | 2 | 635 CSi | Rossi / Vanoli | BMW Italia | 6th |
| 1.5.1983 | 500 km Donington | 4 | 635 CSi | Stuck / Brun | Team Schnitzer Eterna | 3rd |
| 1.5.1983 | 500 km Donington | 5 | 635 CSi | Heyer / Quester | Team Schnitzer Eterna | 2nd |
| 1.5.1983 | 500 km Donington | 8 | 635 CSi | Delcourt / Swyssen | Lucky Strike Team | 8th |
| 1.5.1983 | 500 km Donington | 9? | 528i | Enge / Bychl | | DNQ |
| 1.5.1983 | 500 km Donington | 17 | 635 CSi | Bos / Duby | | DNF |
| 1.5.1983 | 500 km Donington | 19 | 635 CSi | Sytner / Muir | Grace International Racing | DNF |
| 1.5.1983 | 500 km Donington | 20 | 635 CSi | Vojtěch / Enge | Hartge Motorsport | 4th |
| 1.5.1983 | 500 km Donington | 22 | 635 CSi | Briozzo / Nussbaumer / Stalder / Bosshard | Giuseppe Briozzo | DNF |
| 1.5.1983 | 500 km Donington | 23 | 528i | Maljean / Hoebeke | | DNQ |
| 1.5.1983 | 500 km Donington | | 323i | Joachim Winkelhock | | DNQ |
| 1.5.1983 | 500 km Donington | | 635 CSi | Fornage / Haezebrouck | | DNQ |
| 15.5.1983 | 500 km Pergusa | 1 | 635 CSi | Kelleners / Grano | BMW Italia | 2nd |
| 15.5.1983 | 500 km Pergusa | | 635 CSi | Fornage / Haezebrouck | Dominique Fornage | 7th |
| 15.5.1983 | 500 km Pergusa | | 528i | "Davit" / Boucher | | 14th |
| 15.5.1983 | 500 km Pergusa | | 635 CSi | Briozzo / Stalder / Bosshard | Giuseppe Briozzo | 8th |
| 15.5.1983 | 500 km Pergusa | | 635 CSi | Bos / Duby | | DNF |
| 15.5.1983 | 500 km Pergusa | | 635 CSi | Vojtěch / Enge | Hartge Motorsport | 29th |
| 15.5.1983 | 500 km Pergusa | | 635 CSi | Delcourt / Swyssen / Baert | Lucky Strike Team | 23rd |
| 15.5.1983 | 500 km Pergusa | | 635 CSi | Stuck / Brun | Team Schnitzer Eterna | 4th |
| 15.5.1983 | 500 km Pergusa | | 635 CSi | Heyer / Quester | Team Schnitzer Eterna | 20th |
| 15.5.1983 | 500 km Pergusa | | 635 CSi | Hollinger / Vanoli | BMW Italia | 3rd |
| 22.5.1983 | 500 km Mugello | 34 | 323i | Winkelhock / Vogt | Linder | 12th |
| 22.5.1983 | 500 km Mugello | | 528i | Cipriani / Toffoli | | 13th |
| 22.5.1983 | 500 km Mugello | | 635 CSi | Finotto / Vanoli | BMW Italia | 6th |
| 22.5.1983 | 500 km Mugello | | 635 CSi | Bos / Duby | J.-L. Bos | 8th |
| 22.5.1983 | 500 km Mugello | | 528i | "Davit" / Boucher | | 10th |
| 22.5.1983 | 500 km Mugello | | 635 CSi | Kelleners / Grano | BMW Italia | 1st |
| 22.5.1983 | 500 km Mugello | | 528i | Bychl / Micangeli | | 20th |
| 22.5.1983 | 500 km Mugello | | 528i | Maljean / "Hex" / Hoebeke | | DNF |
| 22.5.1983 | 500 km Mugello | | 635 CSi | Fornage / Haezebrouck | | DNF |
| 22.5.1983 | 500 km Mugello | | 635 CSi | Stuck / Brun | Team Schnitzer Eterna | 4th |
| 22.5.1983 | 500 km Mugello | | 635 CSi | Vojtěch / Enge | Hartge Motorsport | 2nd |
| 22.5.1983 | 500 km Mugello | | 635 CSi | Briozzo / Stalder / Bosshard | | DNF |
| 22.5.1983 | 500 km Mugello | | 635 CSi | Heyer / Quester | Team Schnitzer Eterna | 5th |
| 22.5.1983 | 500 km Mugello | | 635 CSi | Delcourt / Swyssen | GTM Engineering | 7th |
| 12.6.1983 | GP Brno | 1 | 635 CSi | Kelleners / Grano | BMW Italia | DNF |
| 12.6.1983 | GP Brno | 4 | 635 CSi | Stuck / Brun | Team Schnitzer Eterna | 3rd |
| 12.6.1983 | GP Brno | 5 | 635 CSi | Heyer / Quester | Team Schnitzer Eterna | 2nd |
| 12.6.1983 | GP Brno | 6 | 635 CSi | Vojtěch / Enge | ÚAMK ČSSR | DNF |
| 12.6.1983 | GP Brno | 7 | 635 CSi | Hollinger / Vanoli | BMW Italia | 7th |
| 12.6.1983 | GP Brno | 8 | 635 CSi | Delcourt / Swyssen / Baert | Lucky Strike Team | 4th |
| 12.6.1983 | GP Brno | 9 | 528i | "Davit" / Boucher | Lucky Strike Team | 12th |
| 12.6.1983 | GP Brno | 14 | 635 CSi | Fornage / Dorchy | Dominique Fornage | 9th |
| 12.6.1983 | GP Brno | 16 | 528i | Miloš Bychl | ÚAMK ČSSR | DNA |
| 12.6.1983 | GP Brno | 16 | 635 CSi | Hartge / Nussbaumer | Hartge Motorsport | 5th |
| 12.6.1983 | GP Brno | 17 | 635 CSi | Bos / Duby / Krucker | Jean Louis Bos | 8th |
| 12.6.1983 | GP Brno | 18 | 528i | Cipriani / Toffoli / Siena | Marcello Cipriani | 19th |
| 12.6.1983 | GP Brno | 20 | 528i | Schmidlin / Roth | Eggenberger Motorsport | 14th |
| 12.6.1983 | GP Brno | 21 | 635 CSi | Knecht / Briozzo / Dürig | Chiossaro | 10th |
| 12.6.1983 | GP Brno | 37 | 323i | Jacobs / Junkers | Horst Jacobs | DNF |
| 12.6.1983 | GP Brno | 39 | 323i E30 | Winkelhock / Vogt | Linder Rennsport Pfronten | 13th |
| 12.6.1983 | GP Brno | 49 | 323i | Krumbach / Schnock | DMC Anker Teppich Team | DNA |
| 26.6.1983 | 500 km Zeltweg | 3 | 635 CSi | Winkelhock / Quester | Team Schnitzer Eterna | DNF |
| 26.6.1983 | 500 km Zeltweg | 9 | 528i | "Davit" / Boucher | Lucky Strike Team (Delcourt) | 10th |
| 26.6.1983 | 500 km Zeltweg | 42 | 323i | Winkelhock / Vogt | Linder Rennsport | 8th |
| 26.6.1983 | 500 km Zeltweg | | 635 CSi | Stuck / Brun | Team Schnitzer Eterna | 3rd |
| 26.6.1983 | 500 km Zeltweg | | 635 CSi | Vojtěch / Enge | Hartge Motorsport | DNF |
| 26.6.1983 | 500 km Zeltweg | | 635 CSi | Kelleners / Grano | BMW Italia | DNF |
| 26.6.1983 | 500 km Zeltweg | | 635 CSi | Fornage / Wollstadt | D. Fornage | 6th |
| 26.6.1983 | 500 km Zeltweg | | 635 CSi | Hollinger / Vanoli / Kelleners | BMW Italia | 5th |
| 26.6.1983 | 500 km Zeltweg | | 635 CSi | Bos / Duby | | 7th |
| 26.6.1983 | 500 km Zeltweg | | 635 CSi | Hartge / Nussbaumer / Bychl | Hartge Motorsport | DNF |
| 26.6.1983 | 500 km Zeltweg | | 635 CSi | Bosshard / Dürig | | DNF |
| 26.6.1983 | 500 km Zeltweg | | 635 CSi | Delcourt / Swyssen / Baert | Lucky Strike Team | 4th |
| 10.7.1983 | GP Nürburgring | 1 | 635 CSi | Kelleners / Grano | BMW Italia | 2nd |
| 10.7.1983 | GP Nürburgring | 2 | 635 CSi | Danner / Vanoli | BMW Italia | 3rd |
| 10.7.1983 | GP Nürburgring | 3 | 635 CSi | Stuck / Brun | Team Schnitzer Eterna | 8th |
| 10.7.1983 | GP Nürburgring | 4 | 635 CSi | Winkelhock / Quester | Team Schnitzer Eterna | 1st |
| 10.7.1983 | GP Nürburgring | 8 | 635 CSi | Delcourt / Swyssen / Baert | Lucky Strike Team | DNF |
| 10.7.1983 | GP Nürburgring | 10 | 635 CSi | Vojtěch / Enge / Döring | Hartge Motorsport | 11th |
| 10.7.1983 | GP Nürburgring | 11 | 635 CSi | van Ommen / Hartge / Nussbaumer | Hartge Motorsport | 6th |
| 10.7.1983 | GP Nürburgring | 14 | 635 CSi | Bos / Duby / Krucker | Jean-Louis Bos | 4th |
| 10.7.1983 | GP Nürburgring | 15 | 635 CSi | Fornage / Haezebrouck / Gartmann | Dominique Fornage | 5th |
| 10.7.1983 | GP Nürburgring | 24 | 528i | Middelhaufe / Zweibäumer | | DNS |
| 10.7.1983 | GP Nürburgring | 25 | 528i | Felder / "Pace" / Schneider | Eggenberger Motorsport | raced |
| 10.7.1983 | GP Nürburgring | 26 | 528i | Lindlar / Felder / Philipps | Renngemeinschaft Bergisch Gladbach | raced |
| 10.7.1983 | GP Nürburgring | 30 | 635 CSi | Heyer / Hahne | Juma Team | DNF |
| 10.7.1983 | GP Nürburgring | 42 | 323i | Winkelhock / Vogt / Braun | Linder Rennsport | DNF |
| 10.7.1983 | GP Nürburgring | 56 | 323i | Martini / Jacobs / Kamp | DMC Anker Teppich Team | 24th |
| 10.7.1983 | GP Nürburgring | 57 | 323i | Schnock / Krumbach / von Stein | DMC Anker Teppich Team | 21st |
| 10.7.1983 | GP Nürburgring | 130 | 635 CSi | Peltier / Snobeck / Cudini | Waterloo Motors | DNF |
| 10.7.1983 | GP Nürburgring | 132 | 528i | Cipriani / Toffoli / Siena | Verona Auto Sport Club | raced |
| 10.7.1983 | GP Nürburgring | | 528i | Hollinger / Schmidlin / Roth | | DNF |
| 17.7.1983 | 500 km Salzburgring | | 635 CSi | Kelleners / Grano | BMW Italia | 4th |
| 17.7.1983 | 500 km Salzburgring | | 635 CSi | Winkelhock / Quester | Team Schnitzer Eterna | 3rd |
| 17.7.1983 | 500 km Salzburgring | | 635 CSi | Stuck / Brun | Team Schnitzer Eterna | 2nd |
| 17.7.1983 | 500 km Salzburgring | | 635 CSi | Vojtěch / Enge | Hartge Motorsport | DNF |
| 17.7.1983 | 500 km Salzburgring | | 323i | Winkelhock / Vogt | Linder Rennsport | DNF |
| 17.7.1983 | 500 km Salzburgring | | 635 CSi | Müller / Kuhn-Weiss | Müllerbrau Team | 7th |
| 17.7.1983 | 500 km Salzburgring | | 635 CSi | Isler / Nussbaumer | Hartge Motorsport | 5th |
| 17.7.1983 | 500 km Salzburgring | | 635 CSi | Kofel / Vanoli | BMW Italia | 6th |
| 31.7.1983 | 24 h Spa | 2 | 635 CSi | Vanoli / Libert / Witmeur | BMW Italia | DNF |
| 31.7.1983 | 24 h Spa | 9 | 528i | "Davit" / Boucher / Hoebeke | Lucky Strike Team | 7th |
| 31.7.1983 | 24 h Spa | 15 | 635 CSi | Fornage / Dorchy / Smadja | Lucky Strike Team | DNF |
| 31.7.1983 | 24 h Spa | 26 | 635 CSi | Haezebrouck / Lapeyre / Jaussaud | Waterloo Motor R. Gitanes | DNF |