| 27.3.1988 | 500 km Monza | 51 | | Vogt / Thatcher | Bigazzi Team | 4th |
| 27.3.1988 | 500 km Monza | 55 | | Bychl / Faubel | Herba Proficraft Tools Racing | DNF |
| 17.4.1988 | 500 km Donington | 51 | | Martin / Thatcher | Team Bigazzi | 5th |
| 17.4.1988 | 500 km Donington | 52 | | Laffite / Vogt | Team Bigazzi | DNF |
| 17.4.1988 | 500 km Donington | 53 | | Vogt / Laffite / Martin | Team Bigazzi | DNA |
| 17.4.1988 | 500 km Donington | 55 | | Bychl / Faubel | Herba-Proficraft Tools Racing | DNF |
| 17.4.1988 | 500 km Donington | 56 | | Lohr / Quester | BMW Motorsport GmbH | DNF |
| 17.4.1988 | 500 km Donington | 57 | | Ravaglia / van de Poele | BMW Motorsport GmbH | 1st |
| 17.4.1988 | 500 km Donington | 58 | | | BMW Motorsport GmbH | DNA |
| 17.4.1988 | 500 km Donington | 59 | | Vaníček / Tomášek | ÚAMK ČSSR | 6th |
| 17.4.1988 | 500 km Donington | 60 | | Hatje / Wollstadt | Autohaus Wollstadt Racing Team | 7th |
| 17.4.1988 | 500 km Donington | 63 | | Albacete / Pareja | Camac Racing | 8th |
| 17.4.1988 | 500 km Donington | 66 | | Sytner / Weaver / Smith | BMW Finance Racing with Mobil 1 | 2nd |
| 17.4.1988 | 500 km Donington | 67 | | Smith / Sytner / Hoy | BMW Finance Racing with Mobil 1 | DNA |
| 17.4.1988 | 500 km Donington | 68 | | van Dedem / Krab | BMW Nederland with Unigarant | 4th |
| 17.4.1988 | 500 km Donington | 88 | | Smith / Hoy | BMW Finance Racing with Mobil 1 | 3rd |
| 8.5.1988 | 500 km Estoril | 51 | | Martin / Thatcher | Team Bigazzi | 6th |
| 8.5.1988 | 500 km Estoril | 52 | | Laffite / Vogt | Team Bigazzi | 5th |
| 8.5.1988 | 500 km Estoril | 55 | | Faubel / Bychl | Herba Proficraft Tools Racing | 10th |
| 8.5.1988 | 500 km Estoril | 56 | | van de Poele / Quester | BMW Motorsport GmbH | 4th |
| 8.5.1988 | 500 km Estoril | 57 | | Heger / Ravaglia | BMW Motorsport GmbH | 2nd |
| 8.5.1988 | 500 km Estoril | 59 | | Vaníček / Tomášek | ÚAMK ČSSR | 9th |
| 8.5.1988 | 500 km Estoril | 60 | | Wollstadt / Wirth | Autohaus Wollstadt Racing Team | DNF |
| 8.5.1988 | 500 km Estoril | 63 | | "Pêquêpê" / Rodriguez | Camac Racing | 12th |
| 8.5.1988 | 500 km Estoril | 64 | | Cserkuti / "Spiffero" / Fischhaber | Külker Racing | 17th |
| 8.5.1988 | 500 km Estoril | | | Lohr / Quester | BMW Motorsport GmbH | 8th |
| 8.5.1988 | 500 km Estoril | | | Martin / Vogt / Laffite | Team Bigazzi | DNS |
| 15.5.1988 | 4 h Jarama | 51 | | Vogt / Thatcher | Team Bigazzi | 11th |
| 15.5.1988 | 4 h Jarama | 52 | | Grouillard / Laffite | Team Bigazzi | DQ |
| 15.5.1988 | 4 h Jarama | 55 | | Faubel / Bychl | Herba Proficraft Tools Racing | 8th |
| 15.5.1988 | 4 h Jarama | 56 | | Heger / van de Poele | BMW Motorsport GmbH | 4th |
| 15.5.1988 | 4 h Jarama | 57 | | Oestreich / Ravaglia | BMW Motorsport GmbH | 3rd |
| 15.5.1988 | 4 h Jarama | 59 | | Vaníček / Tomášek | ÚAMK ČSSR | 5th |
| 15.5.1988 | 4 h Jarama | 60 | | Wollstadt / Wirth | Autohaus Wollstadt Racing Team | 18th |
| 15.5.1988 | 4 h Jarama | 63 | | Albacete / Sasiambarrena | Camac Racing | 6th |
| 15.5.1988 | 4 h Jarama | 64 | | Cserkuti / "Spiffero" / Fischhaber | Külker Racing | DNF |
| 15.5.1988 | 4 h Jarama | | | Pirro / Lohr | BMW Motorsport GmbH | 9th |
| 29.5.1988 | 500 km Dijon | 51 | | Vogt / Martin / Laffite | Team Bigazzi | DNF |
| 29.5.1988 | 500 km Dijon | 52 | | Vogt / Laffite / Thatcher | Team Bigazzi | 4th |
| 29.5.1988 | 500 km Dijon | 54 | | Lingmann / Hölzl | Lingmann | 13th |
| 29.5.1988 | 500 km Dijon | 55 | | Faubel / Bychl | Herba Proficraft Tools Racing | 12th |
| 29.5.1988 | 500 km Dijon | 56 | | Ravaglia / van de Poele | BMW Motorsport GmbH | 3rd |
| 29.5.1988 | 500 km Dijon | 59 | | Vaníček / Tomášek | ÚAMK ČSSR | 14th |
| 29.5.1988 | 500 km Dijon | 60 | | Wollstadt / Wirth | Autohaus Wollstadt Racing Team | DNF |
| 29.5.1988 | 500 km Dijon | 64 | | Cserkuti / "Spiffero" / Fischhaber | Külker Racing | DNS |
| 29.5.1988 | 500 km Dijon | 66 | | Haldi / Bello | Luigi Bello | 15th |
| 29.5.1988 | 500 km Dijon | 69 | | Joosen / Duez | BMW Finance Racing with Mobil 1 | 7th |
| 29.5.1988 | 500 km Dijon | 71 | | Malcher / Petit | Garage du Bac | 8th |
| 29.5.1988 | 500 km Dijon | 82 | | Jabouille / Bleynie | | 10th |
| 29.5.1988 | 500 km Dijon | | | Lohr / Giroix | BMW Motorsport GmbH | 5th |
| 29.5.1988 | 500 km Dijon | | | Grouillard / Laffite | Team Bigazzi | DNF |
| 29.5.1988 | 500 km Dijon | | | de Lesseps / Castel / Morin | | 11th |
| 29.5.1988 | 500 km Dijon | | | Salam / Destic / Morin | | DNF |
| 5.6.1988 | 500 km Vallelunga | 51 | | Martin / Thatcher | Team Bigazzi | 3rd |
| 5.6.1988 | 500 km Vallelunga | 52 | | Vogt / Laffite | Team Bigazzi | DQ |
| 5.6.1988 | 500 km Vallelunga | 54 | | Lingmann / Hölzl | Lingmann | 6th |
| 5.6.1988 | 500 km Vallelunga | 55 | | Bychl / Faubel | Herba Proficraft Tools Racing | DNF |
| 5.6.1988 | 500 km Vallelunga | 56 | | Ravaglia / van de Poele | BMW Motorsport GmbH | 2nd |
| 5.6.1988 | 500 km Vallelunga | 59 | | Vaníček / Tomášek | ÚAMK ČSSR | DNF |
| 5.6.1988 | 500 km Vallelunga | 60 | | Wollstadt / Wirth | Autohaus Wollstadt Racing Team | 12th |
| 5.6.1988 | 500 km Vallelunga | 63 | | Albacete / Sasiambarrena | Camac Racing | DNF |
| 5.6.1988 | 500 km Vallelunga | 64 | | Cserkuti / "Spiffero" | Külker Racing | 7th |
| 5.6.1988 | 500 km Vallelunga | | | Pirro / Strycek / Ravaglia | BMW Motorsport GmbH | 4th |
| 19.6.1988 | 24 h Nürburgring | 8 | | Heger / Vogt / Quester | BMW Motorsport GmbH | DNF |
| 19.6.1988 | 24 h Nürburgring | 10 | | Ravaglia / Grohs / Oestreich | BMW Motorsport GmbH | DNF |
| 19.6.1988 | 24 h Nürburgring | 18 | | von Bayern / Schmickler / Ketterer | Vallier Motorsport | DNF |
| 19.6.1988 | 24 h Nürburgring | 21 | | Joosen / Duez / van de Poele | BMW Motorsport GmbH | DNF |
| 19.6.1988 | 24 h Nürburgring | 23 | | Bychl / Faubel / Thiim | Herba Proficrafttools-Racing | DNF |
| 19.6.1988 | 24 h Nürburgring | 154 | | Schmitz / Rensing / Großmann | BMW Niederlassung Düsseldorf | 25th |
| 19.6.1988 | 24 h Nürburgring | 156 | | Endres / Luhr / Seher | AC Rübenach e. V. im ADAC | 44th |
| 19.6.1988 | 24 h Nürburgring | 157 | | Hennes / Wollgarten / Lauer | MSC Aachen e. V. im ADAC | 8th |
| 19.6.1988 | 24 h Nürburgring | 158 | | Sesterheim / Stoffel, Jr. / Kremerskothen | MSC Adenau e. V. im ADAC | DNF |
| 10.7.1988 | 500 km Nürburgring | 51 | | Vogt / Laffite / Thatcher | Arduini Bigazzi Racing Team | 5th |
| 10.7.1988 | 500 km Nürburgring | 52 | | Laffite / Grouillard | Arduini Bigazzi Racing Team | 3rd |
| 10.7.1988 | 500 km Nürburgring | 53 | | Vogt / Laffite / Thatcher | Arduini Bigazzi Racing Team | DNS |
| 10.7.1988 | 500 km Nürburgring | 54 | | Hölzl / Lingmann | Scuderia Avus Berlin | DNF |
| 10.7.1988 | 500 km Nürburgring | 55 | | Faubel / Bychl / Walterscheid-Müller | Herba-Proficraftiools-Racing | DNF |
| 10.7.1988 | 500 km Nürburgring | 56 | | van de Poele / Heger / Ravaglia | BMW Motorsport Schnitzer | 6th |
| 10.7.1988 | 500 km Nürburgring | 57 | | Pirro / Ravaglia / van de Poele | BMW Motorsport Schnitzer | 4th |
| 10.7.1988 | 500 km Nürburgring | 58 | | Schmickler / Oestreich | BMW Motorsport Schnitzer | DNF |
| 10.7.1988 | 500 km Nürburgring | 59 | | Vaníček / Mattschull | Team Motorsport ÚAMK | DNF |
| 10.7.1988 | 500 km Nürburgring | 60 | | Wollstadt / Wirth | Autohaus Wollstadt Racing Team | 10th |
| 10.7.1988 | 500 km Nürburgring | 61 | | Tomášek / Mattschull / Vaníček | Team Motorsport ÚAMK | DNQ |
| 10.7.1988 | 500 km Nürburgring | 63 | | | Camac Racing | DNA |
| 10.7.1988 | 500 km Nürburgring | 65 | | Bello / Haldi | Luigi Bello | DNF |
| 10.7.1988 | 500 km Nürburgring | 69 | | Joosen / Duez | Bastos Racing Team | DNA |
| 10.7.1988 | 500 km Nürburgring | 99 | | Wagner / Flohe | Lothar Wagner | DNA |
| 10.7.1988 | 500 km Nürburgring | 100 | | Vojtěch / Enge | Racing Service International | 9th |
| 31.7.1988 | 24 h Spa | 52 | | Grouillard / Laffite / Martin | Bigazzi M. Team | 3rd |
| 31.7.1988 | 24 h Spa | 55 | | Bychl / Faubel / Walterscheid-Müller | Herba-Proficrafttools-Racing | DNF |
| 31.7.1988 | 24 h Spa | 56 | | Heger / Ravaglia / Quester | BMW Motorsport | 1st |
| 31.7.1988 | 24 h Spa | 59 | | Vaníček / van Hooydonk / van Dedem | ÚAMK ČSSR | 21st |
| 31.7.1988 | 24 h Spa | 63 | | Albacete / Pareja / Sasiambarrena | Camac Racing | DNF |
| 31.7.1988 | 24 h Spa | 65 | | Bello / Camandona / Guex | Luigi Bello | DNF |
| 31.7.1988 | 24 h Spa | 69 | | Schlesser / Jabouille / Duez | BMW Motorsport | 8th |
| 31.7.1988 | 24 h Spa | 71 | | Malcher / Petit / Trollé | Garage du Bac | DNF |
| 31.7.1988 | 24 h Spa | 72 | | Cheli / de Dryver / Delétraz | Garage du Bac | DNF |
| 31.7.1988 | 24 h Spa | 73 | | Lingmann / Van Mol / Slaus | Duindistel/Chardon des Dunes | DNF |
| 31.7.1988 | 24 h Spa | 74 | | Lohr / Bartels / Schmickler | BMW Motorsport | 7th |
| 31.7.1988 | 24 h Spa | 75 | | Enge / Vermeersch / Vojtěch | Bastos R.S.I. | DNF |