| 15.5.1988 | 4 h Jarama | 7 | 635 CSi | Févrot / di Gioia | Dixi-Sport | 10th |
| 15.5.1988 | 4 h Jarama | 51 | M3 | Vogt / Thatcher | Team Bigazzi | 11th |
| 15.5.1988 | 4 h Jarama | 52 | M3 | Grouillard / Laffite | Team Bigazzi | DQ |
| 15.5.1988 | 4 h Jarama | 55 | M3 | Faubel / Bychl | Herba Proficraft Tools Racing | 8th |
| 15.5.1988 | 4 h Jarama | 59 | M3 | Vaníček / Tomášek | ÚAMK ČSSR | 5th |
| 15.5.1988 | 4 h Jarama | 60 | M3 | Wollstadt / Wirth | Autohaus Wollstadt Racing Team | 18th |
| 15.5.1988 | 4 h Jarama | 63 | M3 | Albacete / Sasiambarrena | Camac Racing | 6th |
| 15.5.1988 | 4 h Jarama | 64 | M3 | Cserkuti / "Spiffero" / Fischhaber | Külker Racing | DNF |
| 15.5.1988 | 4 h Jarama | | M3 | Pirro / Lohr | BMW Motorsport GmbH | 9th |
| 29.5.1988 | 500 km Dijon | 7 | 635 CSi | di Gioia / Févrot | Dixi-Sport | DNF |
| 29.5.1988 | 500 km Dijon | 51 | M3 | Vogt / Martin / Laffite | Team Bigazzi | DNF |
| 29.5.1988 | 500 km Dijon | 52 | M3 | Vogt / Laffite / Thatcher | Team Bigazzi | 4th |
| 29.5.1988 | 500 km Dijon | 54 | M3 | Lingmann / Hölzl | Lingmann | 13th |
| 29.5.1988 | 500 km Dijon | 55 | M3 | Faubel / Bychl | Herba Proficraft Tools Racing | 12th |
| 29.5.1988 | 500 km Dijon | 56 | M3 | Ravaglia / van de Poele | BMW Motorsport GmbH | 3rd |
| 29.5.1988 | 500 km Dijon | 59 | M3 | Vaníček / Tomášek | ÚAMK ČSSR | 14th |
| 29.5.1988 | 500 km Dijon | 60 | M3 | Wollstadt / Wirth | Autohaus Wollstadt Racing Team | DNF |
| 29.5.1988 | 500 km Dijon | 64 | M3 | Cserkuti / "Spiffero" / Fischhaber | Külker Racing | DNS |
| 29.5.1988 | 500 km Dijon | 66 | M3 | Haldi / Bello | Luigi Bello | 15th |
| 29.5.1988 | 500 km Dijon | 69 | M3 | Joosen / Duez | BMW Finance Racing with Mobil 1 | 7th |
| 29.5.1988 | 500 km Dijon | 71 | M3 | Malcher / Petit | Garage du Bac | 8th |
| 29.5.1988 | 500 km Dijon | 82 | M3 | Jabouille / Bleynie | | 10th |
| 29.5.1988 | 500 km Dijon | | M3 | Salam / Destic / Morin | | DNF |
| 29.5.1988 | 500 km Dijon | | M3 | Lohr / Giroix | BMW Motorsport GmbH | 5th |
| 29.5.1988 | 500 km Dijon | | M3 | de Lesseps / Castel / Morin | | 11th |
| 29.5.1988 | 500 km Dijon | | M3 | Grouillard / Laffite | Team Bigazzi | DNF |
| 5.6.1988 | 500 km Vallelunga | 51 | M3 | Martin / Thatcher | Team Bigazzi | 3rd |
| 5.6.1988 | 500 km Vallelunga | 52 | M3 | Vogt / Laffite | Team Bigazzi | DQ |
| 5.6.1988 | 500 km Vallelunga | 54 | M3 | Lingmann / Hölzl | Lingmann | 6th |
| 5.6.1988 | 500 km Vallelunga | 55 | M3 | Bychl / Faubel | Herba Proficraft Tools Racing | DNF |
| 5.6.1988 | 500 km Vallelunga | 56 | M3 | Ravaglia / van de Poele | BMW Motorsport GmbH | 2nd |
| 5.6.1988 | 500 km Vallelunga | 59 | M3 | Vaníček / Tomášek | ÚAMK ČSSR | DNF |
| 5.6.1988 | 500 km Vallelunga | 60 | M3 | Wollstadt / Wirth | Autohaus Wollstadt Racing Team | 12th |
| 5.6.1988 | 500 km Vallelunga | 63 | M3 | Albacete / Sasiambarrena | Camac Racing | DNF |
| 5.6.1988 | 500 km Vallelunga | 64 | M3 | Cserkuti / "Spiffero" | Külker Racing | 7th |
| 5.6.1988 | 500 km Vallelunga | | M3 | Pirro / Strycek / Ravaglia | BMW Motorsport GmbH | 4th |
| 5.6.1988 | 500 km Vallelunga | | 635 CSi | Naddeo / Gasparri | Pro Team | 11th |
| 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 |
| 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 |
| 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 | 53 | M3 | Vogt / Laffite / Grouillard | Team Bigazzi | unused |
| 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 | 66 | M3 | Hoy / Smith / Sytner | BMW Finance Racing with Mobil 1 | 13th |
| 4.9.1988 | Tourist Trophy | 86 | M3 | Williams / Shead / Hall | John Maguire Racing/F.F.B. Electronics | 19th |