| 4.2.1973 | 24 h Daytona | 84 | 2002 | Petery / Ziereis | Andy Petery | 18th |
| 11.3.1973 | 200 km Benguela | 8 | 2002 | | | raced |
| 11.3.1973 | 200 km Benguela | 18? | 2002 | | | raced |
| 11.3.1973 | 200 km Benguela | 41 | 2002 | | | raced |
| 18.3.1973 | Coupes de l'ACIF | 46 | | Lionel Belkechout | | DNA |
| 24.3.1973 | 12 h Sebring | 114 | 2002 | Grob / Montalvo | Jim Grob Racing | 20th |
| 25.3.1973 | 4 h Monza | 1 | 3.0 CSL | Stuck / Amon | BMW Motorsport | DNF |
| 25.3.1973 | 4 h Monza | 2 | 3.0 CSL | Hezemans | BMW Motorsport | DNF |
| 25.3.1973 | 4 h Monza | 3 | 3.0 CSL | Harald Menzel | BMW Motorsport | T-car |
| 25.3.1973 | 4 h Monza | 4 | 3.0 CSL | Brambilla / Brun | Team Schnitzer Motul | DNF |
| 25.3.1973 | 4 h Monza | 5 | 3.0 CSL | Brambilla / Wollek | Team Schnitzer Motul | DNF |
| 25.3.1973 | 4 h Monza | 6 | 3.0 CSL | Lauda / Muir | BMW-Alpina | 1st |
| 25.3.1973 | 4 h Monza | 28 | 2002 | Herzog / Pallavicini | Formel Rennsport Club | 9th |
| 25.3.1973 | 4 h Monza | | 2002 | Basche / Mohr | GS Tuning | DNF |
| 25.3.1973 | 4 h Monza | | 3.0 CSL | Knecht / Gerny | Squadra Caposcarico | 6th |
| 25.3.1973 | 4 h Monza | | 2002 TI | May / Manhalter | Team Schnitzer Motul | DNF |
| 1.4.1973 | Le Mans Test | 70 | 3.0 CSL | | BMW Motorsport | DNA |
| 1.4.1973 | Le Mans Test | 71 | 3.0 CSL | | BMW Motorsport | DNA |
| 8.4.1973 | SCCA National Virginia [ASR+AP+BP+AS+BS] | 85 | 1602 | Tony Rolfe | Tony Rolfe | 16th |
| 8.4.1973 | Hockenheim [GT/T] | 143 | 2002 | Gerhard Lässig | Matthes-Racing | DNA |
| 8.4.1973 | Hockenheim [GT/T] | 144 | 2002 | Horst Hoffmann | Horst Hoffmann | DNA |
| 8.4.1973 | Hockenheim [GT/T] | 145 | 2002 | Franz Kerndl | Franz Kerndl | ?th |
| 8.4.1973 | Hockenheim [GT/T] | 146 | 2002 TII | Martin Marschall | Martin Marschall | DNF |
| 8.4.1973 | Hockenheim [GT/T] | 147 | 2002 | Harry Groß | Harry Groß | NC |
| 8.4.1973 | Hockenheim [GT/T] | | 3.0 CSL | Johann Köhler | | ?th |
| 8.4.1973 | Zolder [GT/T] | | 3.0 CSL | Peter-Henner Merz | Matthes Racing GmbH | DNF |
| 8.4.1973 | Zolder [GT/T] | | 2002 | Horst Bonefeld | H. Bonefeld | 2nd |
| 8.4.1973 | Zolder [GT/T] | | 2002 TI | Jack Hürtgen | Jakob Hürtgen | DNF |
| 15.4.1973 | Trans-Am Road Atlanta | 5 | 1600 | Bob Lazebnik | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 35 | 2002 TI | Phil Dermer | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 66 | 1600 | Russ Norburn | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 83 | 2002 | Petery / Ziereis | Petery Racing | 17th |
| 21.4.1973 | 500 km Roy Hesketh | 15 | | Spamer / Heinz-Pieters | C. Spamer | DNA |
| 21.4.1973 | 3 h Daytona | 60 | 2002 | Montalvo / Grob | Jim Grob Racing | 24th |
| 26.4.1973 | Luanda | 6 | 2002 TI | António José Oliveira | | raced |
| 26.4.1973 | Luanda | 71? | 2002 | | | raced |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 1 | 3.0 CSL | Harald Menzel | BMW Motorsport GmbH | DNF |
| 29.4.1973 | Sweden Knutstorp | 5 | 2002 TII | Rune Tobiasson | STP Corporation of Sweden | 3rd |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 10 | 3.0 CSL | Moritz Gerny | Squadra Caposcarico | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 11 | 3.0 CSL | Brian Muir | BMW-Alpina-Burkard Bovensiepen e. V. | DNF |
| 29.4.1973 | Sweden Knutstorp | 15 | 2002 TII | Carl Piper | Tomelilla Bilrikt | 7th |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 16 | 3.0 CSL | Norbert Hahne | Norbert Hahne | DNA |
| 29.4.1973 | Sweden Knutstorp | 17 | 2002 TII | Conny Nyström | Haj-Haj Racing | 6th |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 19 | 3.0 CSL | Willi Weyer | Willi Weyer | 18th |
| 29.4.1973 | Sweden Knutstorp | 20 | 2002 TII | Björn Ribers | Fa Speed Consult | 5th |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 20 | 3.0 CSL | Hans-Peter Joisten | BMW-Faltz-Alpina-Tuning | 7th |
| 29.4.1973 | Sweden Knutstorp | 21 | 2002 TII | Mons Billgren | | 10th |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 24 | 3.0 CSL | Toine Hezemans | BMW Motorsport GmbH | 1st |
| 29.4.1973 | Sweden Knutstorp | 32 | | Göran Ahlström | Team Blå Racing | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 51 | 2002 | Dieter Basche | GS-BMW-Tuning | 11th |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 52 | 2002 TI | Horst Bonefeld | Rüdiger Faltz | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 53 | 2002 | Helmut Kelleners | Koepchen-BMW-Tuning | DNF |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 54 | 1602 | Heinz-Dieter Werner | Heinz-Dieter Werner | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 59 | 2002 | Manfred Busch | Auto Geishauer-Racing Team | DNF |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 64 | | Richard Bremmekamp | Jürgen-Möhle-Spezialwerkzeuge | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 68 | 2002 TI | Hans Full | Hans Full | DNF |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 70 | 2002 | Günther Hildenbrand | Günther Hildenbrand | DNF |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 71 | 2002 | Heinrich Hirth | Heinrich Hirth | 16th |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 72 | 2002 | Norbert Jülicher | Norbert Jülicher | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 75 | 2002 | Richard Peitz | Richard Peitz | DNF |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 77 | 2002 | Roland Rutschow | Roland Rutschow | DNF |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 78 | 2002 | Erich Schormann | Erich Schormann | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 83 | 1602 | Dieter Hegels | Piet Jürgen Vorbrüggen | DNF |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 84 | 2002 | Dieter Nakaten | Peter Zeuner Baubetreuung | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 85 | 2002 TI | Hartmut Bauer | Hartmut Bauer | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 87 | 1600 | Knut Jäger | Knut Jaeger | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 89 | | Wolfgang Schirmer | Wolfgang Schirmer | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 90 | 2002 TI | Ingobert Kreinegger | Ingobert Kreinegger | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 91 | 2002 TI | Hans Weißgerber | Hans Weissgerber | DNA |
| 29.4.1973 | DRM Nürburgring Eifelrennen | 96 | 1602 | Urs Knecht | Teppich-Hassler | DNA |
| 5.5.1973 | Trans-Am Lime Rock | 66? | 1600 | Lazebnik / Miller | Commercial Exchange | 21st |
| 6.5.1973 | MEZ MR CZ Most | 2 | 2002 TI | Zdeněk Halada | | 2nd |
| 6.5.1973 | 1000 km Spa | 60 | 3.0 CSL | Stuck / Lauda | B.M.W. Alpina | 7th |
| 6.5.1973 | 1000 km Spa | 61 | 3.0 CSL | Braillard / Xhenceval | Racing T. Marabout | DNQ |
| 6.5.1973 | 1000 km Spa | 64 | 3.0 CSL | Stuck / Muir | B.M.W. Alpina | 8th |
| 6.5.1973 | Benguela | 71 | 2002 | Raul Esperto | | 8th |
| 13.5.1973 | Targa Florio | 191 | 3.0 CSL | "Shangri-La" / Federico | Scuderia Brescia Corse | 35th |
| 13.5.1973 | Targa Florio | 195 | 2002 | Anselmi / di Matteo | | DNA |
| 13.5.1973 | Targa Florio | 196 | 2002 | Gulotta / di Monaco | | DNA |
| 13.5.1973 | Targa Florio | 198 | 2002 TI | Bettoja / de Gregorio | Integrate | 42nd |
| 13.5.1973 | Targa Florio | 199 | 2002 | "Drambuie" / Platania | | DNQ |
| 20.5.1973 | 4 h Salzburgring | 1 | 3.0 CSL | Stuck / Quester | BMW Motorsport | DNF |
| 20.5.1973 | 4 h Salzburgring | 5 | 3.0 CSL | Hezemans / Muir | BMW Alpina | 2nd |
| 20.5.1973 | 4 h Salzburgring | 6 | 3.0 CSL | Brambilla / Jaussaud | Schnitzer | 3rd |
| 20.5.1973 | 4 h Salzburgring | 33 | 2002 | Basche / Menzel | GS Tuning | 4th |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 225 | | Mayer | Mayer | DNA |
| 20.5.1973 | SM Hockenheim [GT+1.6/T+2.0] | 231 | 3.0 CSL | Walter Brun | Wicky Racing Team | DNA |
| 20.5.1973 | 4 h Salzburgring | | 2002 | Herlitze / Struckmann | Koepchen Tuning | 6th |
| 20.5.1973 | 4 h Salzburgring | | 2002 | Ertl / Siller | Team Schnitzer | DNF |
| 20.5.1973 | 4 h Salzburgring | | 2002 | Convalexius / Tomic | | DNF |
| 20.5.1973 | 4 h Salzburgring | | 2002 | Schormann / Christmann | Erich Schormann | DNF |
| 1973 | Circuito da Restinga | 7 | 2002 | | | raced |
| 1973 | Circuito de Carmona | | 2002 | Jorge Pego | | DNF |
| 1973 | Circuito de Carmona | | 2002 | Raul Esperto | | 4th |
| 1973 | Willow Springs | | 3.0 CSL | Bruce Ponder | Vasek Polak | raced |
| 1973 | Ronde Cévenole | | | Beltramelli | | ?th |
| 1973 | Circuito da Restinga | | 2002 TI | José Bandeira | | 10th |
| 1973 | Circuito da Restinga | | 2002 | Zé Maria | | DNF |
| 1973 | Circuito da Restinga | | 2002 | Raul Esperto | | 5th |
| 1973 | Circuito da Restinga | | 2002 TII | Mário Quartin | | 8th |