| 19.6.1988 | 24 h Nürburgring | 4 | 635 CSi | Felder / Philipps / Möller | RG Bergisch-Gladbach e. V. im ADAC | DNF |
| 19.6.1988 | 24 h Nürburgring | 21 | M3 | Joosen / Duez / van de Poele | BMW Motorsport GmbH | DNF |
| 19.6.1988 | 24 h Nürburgring | 26 | 325i | "Mastop" / Dufter / Walterscheid-Müller | | DNF |
| 19.6.1988 | 24 h Nürburgring | 28 | 325i | von Hatten / Memminger / Willms | | 82nd |
| 19.6.1988 | 24 h Nürburgring | 82 | 320 | Pasmann / Honrath | | 37th |
| 19.6.1988 | 24 h Nürburgring | 154 | M3 | Schmitz / Rensing / Großmann | BMW Niederlassung Düsseldorf | 25th |
| 19.6.1988 | 24 h Nürburgring | 237 | 325i | Eschmann / Weber / Schumacher | | DNF |
| 19.6.1988 | 24 h Nürburgring | 252 | 320i Kat. | Jacobs / Khodkar / Hockley | MSC Adenau e. V. im ADAC | DNF |
| 3.7.1988 | SM Hockenheim | | 320 | Urs Tschanz | | ?th |
| 3.7.1988 | SM Hockenheim | | M1 | Nicolas Bührer | | ?th |
| 10.7.1988 | 500 km Nürburgring | 7 | 635 CSi | Févrot / di Gioia | Dixi-Sport | DNA |
| 10.7.1988 | 500 km Nürburgring | 51 | M3 Evo | Vogt / Laffite / Thatcher | Arduini Bigazzi Racing Team | 5th |
| 10.7.1988 | 500 km Nürburgring | 52 | M3 Evo | Laffite / Grouillard | Arduini Bigazzi Racing Team | 3rd |
| 10.7.1988 | 500 km Nürburgring | 53 | M3 | Vogt / Laffite / Thatcher | Arduini Bigazzi Racing Team | DNS |
| 10.7.1988 | 500 km Nürburgring | 54 | M3 | Hölzl / Lingmann | Scuderia Avus Berlin | DNF |
| 10.7.1988 | 500 km Nürburgring | 55 | M3 | Faubel / Bychl / Walterscheid-Müller | Herba-Proficraftiools-Racing | DNF |
| 10.7.1988 | 500 km Nürburgring | 56 | M3 Evo | van de Poele / Heger / Ravaglia | BMW Motorsport Schnitzer | 6th |
| 10.7.1988 | 500 km Nürburgring | 57 | M3 Evo | Pirro / Ravaglia / van de Poele | BMW Motorsport Schnitzer | 4th |
| 10.7.1988 | 500 km Nürburgring | 58 | M3 Evo | Schmickler / Oestreich | BMW Motorsport Schnitzer | DNF |
| 10.7.1988 | 500 km Nürburgring | 59 | M3 | Vaníček / Mattschull | Team Motorsport ÚAMK | DNF |
| 10.7.1988 | 500 km Nürburgring | 60 | M3 | Wollstadt / Wirth | Autohaus Wollstadt Racing Team | 10th |
| 10.7.1988 | 500 km Nürburgring | 61 | M3 | Tomášek / Mattschull / Vaníček | Team Motorsport ÚAMK | DNQ |
| 10.7.1988 | 500 km Nürburgring | 63 | M3 | | Camac Racing | DNA |
| 10.7.1988 | 500 km Nürburgring | 65 | M3 | Bello / Haldi | Luigi Bello | DNF |
| 10.7.1988 | 500 km Nürburgring | 69 | M3 | Joosen / Duez | Bastos Racing Team | DNA |
| 10.7.1988 | 500 km Nürburgring | 99 | M3 | Wagner / Flohe | Lothar Wagner | DNA |
| 10.7.1988 | 500 km Nürburgring | 100 | M3 | Vojtěch / Enge | Racing Service International | 9th |
| 31.7.1988 | 24 h Spa | 7 | 635 CSi | Févrot / di Gioia / Delavallade | Dixi Sport | DNF |
| 31.7.1988 | 24 h Spa | 8 | 635 CSi | Fantini / Lebaron | Dixi Sport | DNA |
| 31.7.1988 | 24 h Spa | 35 | 635 CSi | Raes / Verhaegen / Cremer | Excelsior | DNF |
| 31.7.1988 | 24 h Spa | 39 | 635 CSi | Bertapelle / Bertapelle / Fruhauf | Patricia Bertapelle | 24th |
| 31.7.1988 | 24 h Spa | 40 | 528i | Couesnon / Migault / Meurice | Ph. Couesnon | DNA |
| 31.7.1988 | 24 h Spa | 51 | M3 | Vogt / Rensing / Thatcher | Bigazzi M. Team | DNF |
| 31.7.1988 | 24 h Spa | 52 | M3 | Grouillard / Laffite / Martin | Bigazzi M. Team | 3rd |
| 31.7.1988 | 24 h Spa | 53 | M3 | Grouillard / Laffite / Martin | Bigazzi M. Team | DNS |
| 31.7.1988 | 24 h Spa | 55 | M3 | Bychl / Faubel / Walterscheid-Müller | Herba-Proficrafttools-Racing | DNF |
| 31.7.1988 | 24 h Spa | 56 | M3 | Heger / Ravaglia / Quester | BMW Motorsport | 1st |
| 31.7.1988 | 24 h Spa | 57 | M3 | van de Poele / Grohs / Oestreich | BMW Motorsport | 9th |
| 31.7.1988 | 24 h Spa | 58 | M3 | Ravaglia / van de Poele / Grohs | BMW Motorsport | DNS |
| 31.7.1988 | 24 h Spa | 59 | M3 | Vaníček / van Hooydonk / van Dedem | ÚAMK ČSSR | 21st |
| 31.7.1988 | 24 h Spa | 63 | M3 | Albacete / Pareja / Sasiambarrena | Camac Racing | DNF |
| 31.7.1988 | 24 h Spa | 64 | M3 | Cserkuti / "Spiffero" / Fischhaber | Kuelker RC | DNA |
| 31.7.1988 | 24 h Spa | 65 | M3 | Bello / Camandona / Guex | Luigi Bello | DNF |
| 31.7.1988 | 24 h Spa | 69 | M3 | Schlesser / Jabouille / Duez | BMW Motorsport | 8th |
| 31.7.1988 | 24 h Spa | 70 | M3 | Béguin / Danner / Joosen | BMW Motorsport | DNF |
| 31.7.1988 | 24 h Spa | 71 | M3 | Malcher / Petit / Trollé | Garage du Bac | DNF |
| 31.7.1988 | 24 h Spa | 72 | M3 | Cheli / de Dryver / Delétraz | Garage du Bac | DNF |
| 31.7.1988 | 24 h Spa | 73 | M3 | Lingmann / Van Mol / Slaus | Duindistel/Chardon des Dunes | DNF |
| 31.7.1988 | 24 h Spa | 74 | M3 | Lohr / Bartels / Schmickler | BMW Motorsport | 7th |
| 31.7.1988 | 24 h Spa | 75 | M3 | Enge / Vermeersch / Vojtěch | Bastos R.S.I. | DNF |
| 31.7.1988 | 24 h Spa | 76 | M3 | Maljean / Jamin / Bertinchamps | Ecurie Pays Noir | 19th |
| 31.7.1988 | 24 h Spa | 77 | 325i | Wolf / Hennes / Wollgarten | M.S.C. Aachen | 10th |
| 31.7.1988 | 24 h Spa | 78 | M3 | Delcourt / Witmeur | M.K. Motorsport | DNA |
| 31.7.1988 | 24 h Spa | 80 | M3 | Chatriot / Salam / Destic | SDA Sport Motul Nogaro | DNF |
| 31.7.1988 | 24 h Spa | 81 | M3 | Morin / de Lesseps | SDA Sport Motul Nogaro | DNA |
| 31.7.1988 | 24 h Spa | 82 | M3 | Bleynie / Guitteny | Garage Mirabeau | DNA |
| 31.7.1988 | 24 h Spa | 83 | 325i | Bovensiepen / Witmeur / Roppes | H. Honert | 12th |
| 7.8.1988 | Nordic SS Knutstorp | | 320 Turbo | Nils-Gustav Wiik | | 3rd |
| 7.8.1988 | Nordic SS Knutstorp | | 320 | Eero Vesenterä | | 8th |
| 21.8.1988 | 500 km Kemora | 2 | M1 Gr.5 | Bächi / Wiik | Veho BMW Motorsport | 1st |
| 21.8.1988 | 500 km Kemora | 6 | M1 | Jürgensen / Dören / Graversen | Racingteam Jürgensen | DNA |
| 21.8.1988 | 500 km Kemora | 9 | M3 | Urpiala / Andersson | Tuisku Urpiala Racing | 2nd |
| 21.8.1988 | 500 km Kemora | 10 | M1 Turbo | Onni Kreivi | Onni Kreivi | DNA |
| 21.8.1988 | 500 km Kemora | 12 | 635 CSi | Haapala / Järvi | Juhani Haapala | 3rd |
| 21.8.1988 | 500 km Kemora | 14 | 635 CSi | Wolter / Schechtel | Beru-Zündkerzen | 12th |
| 21.8.1988 | ETCC Zolder | 51 | M3 | Martin / Laffite | Team Bigazzi | 4th |
| 21.8.1988 | ETCC Zolder | 56 | M3 | Pirro / Ravaglia | BMW Motorsport GmbH | DNF |
| 21.8.1988 | ETCC Zolder | 57 | M3 | Ravaglia / van de Poele | BMW Motorsport GmbH | 1st |
| 21.8.1988 | ETCC Zolder | 59 | M3 | Vaníček / Tomášek | ÚAMK | 8th |
| 21.8.1988 | ETCC Zolder | 60 | M3 | Wirth / Wollstadt | Autohaus Wollstadt Racing Team | 9th |
| 21.8.1988 | ETCC Zolder | | 635 CSi | Raes / Verhaegen / Cremer | | 10th |
| 21.8.1988 | ETCC Zolder | | M3 | Jean-Pierre Jabouille | Team Bigazzi | DNF |
| 28.8.1988 | Nordic SS Jyllandsringen | | M1 | Hans Christian Jürgensen | | 2nd |
| 28.8.1988 | Nordic SS Jyllandsringen | | 320 Turbo | Nils-Gustav Wiik | | 4th |
| 28.8.1988 | Nordic SS Jyllandsringen | | 320 | Eero Vesenterä | | 6th |
| 4.9.1988 | Tourist Trophy | 42 | 635 CSi | Buxtorf / Blower | Peter Buxtorf | DNQ |
| 4.9.1988 | Tourist Trophy | 51 | M3 | Vogt / Thatcher | Team Bigazzi | 11th |
| 4.9.1988 | Tourist Trophy | 52 | M3 | Grouillard / Laffite | Team Bigazzi | 8th |
| 4.9.1988 | Tourist Trophy | 53 | M3 | Vogt / Laffite / Grouillard | Team Bigazzi | unused |
| 4.9.1988 | Tourist Trophy | 55 | M3 | Bychl / Faubel | Herba-Proficraft Tools Racing | 24th |
| 4.9.1988 | Tourist Trophy | 56 | M3 | Heger / Ravaglia | BMW Motorsport GmbH | 7th |
| 4.9.1988 | Tourist Trophy | 57 | M3 | van de Poele / Oestreich | BMW Motorsport GmbH | 10th |
| 4.9.1988 | Tourist Trophy | 58 | M3 | | BMW Motorsport GmbH | DNA |
| 4.9.1988 | Tourist Trophy | 60 | M3 | Wollstadt / Hatje | Autohaus Wollstadt Racing Team | 20th |
| 4.9.1988 | Tourist Trophy | 61 | M3 | Vaníček / Tomášek | Bohemia Crystal | DNA |
| 4.9.1988 | Tourist Trophy | 65 | M3 | Bello / Ricci | Luigi Bello | 25th |
| 4.9.1988 | Tourist Trophy | 66 | M3 | Hoy / Smith / Sytner | BMW Finance Racing with Mobil 1 | 13th |
| 4.9.1988 | Tourist Trophy | 85 | M3 | Sears / Harvey | John Maguire Racing/F.F.B. Electronics | DNF |
| 4.9.1988 | Tourist Trophy | 86 | M3 | Williams / Shead / Hall | John Maguire Racing/F.F.B. Electronics | 19th |
| 4.9.1988 | Tourist Trophy | 87 | M3 | Clark / Jeffrey | John Clark Holdings | 23rd |
| 4.9.1988 | Tourist Trophy | 88 | M3 | Hoy / Sytner / Smith | BMW Finance Racing with Mobil 1 | DNF |
| 4.9.1988 | Tourist Trophy | 89 | M3 | Coyne / Lee | John Clark Holdings | 22nd |
| 11.9.1988 | Nordic SS Kemora | 4 | M1 | Onni Kreivi | Onni Kreivi | DNA |
| 11.9.1988 | Nordic SS Kemora | 8 | 320 Turbo | Nils-Gustav Wiik | Oy Veho Ab/BMW | 1st |
| 11.9.1988 | Nordic SS Kemora | 11 | 320 | Eero Vesenterä | North Racing Ky | 5th |
| 11.9.1988 | GP Nogaro | 55 | M3 | Bychl / Faubel | Herba Proficraft Tools Racing | 8th |
| 11.9.1988 | GP Nogaro | 56 | M3 | Pirro / Ravaglia | BMW Motorsport GmbH | 2nd |
| 11.9.1988 | GP Nogaro | 60 | M3 | Wollstadt / Wirth | Autohaus Wollstadt Racing Team | 6th |
| 11.9.1988 | GP Nogaro | 62 | M3 | Morin / Chatriot | SDA Sport | 4th |
| 11.9.1988 | GP Nogaro | | M3 | Rodriguez / Rodrigues / Mendes | | DNF |