| 19.4.1998 | Belcar Zolder NRF | 50 | M3 | Van Lindt / Bertels | Deguise Johnny | 36th |
| 19.4.1998 | Belcar Zolder NRF | 60 | M3 | de Wolf / Lenaerts | Geerts Roel | 30th |
| 19.4.1998 | Belcar Zolder NRF | 61 | Fisa 2L | Kenis / De Veirman | Jacobs Wim | 18th |
| 19.4.1998 | Belcar Zolder NRF | 68 | 320i | Meijers / Meijers | Meijers Racing Team | 31st |
| 19.4.1998 | Belcar Zolder NRF | 83 | M3 | Qvick / Vermeiren | Qvick Yves | 38th |
| 26.4.1998 | 3 h 45 min Las Vegas | 1 | M3 E36 | Cunningham / Bentley | Prototype Technology Group | 6th |
| 26.4.1998 | 3 h 45 min Las Vegas | 6 | M3 E36 | Pilgrim / Said / Auberlen | Prototype Technology Group | 4th |
| 26.4.1998 | 3 h 45 min Las Vegas | 10 | M3 E36 | Auberlen / Simo / Duez | Prototype Technology Group | 5th |
| 2.5.1998 | All Japan GT Fuji | 21 | M3 E36 | Hitotsuyama / Kinoshita | Hitotsuyama Racing | NC |
| 3.5.1998 | Prequalifying Le Mans | 1 | V12 LM | Kristensen / Soper | Team BMW Motorsport | 20th |
| 3.5.1998 | Prequalifying Le Mans | 2 | V12 LM | Martini / Cecotto | Team BMW Motorsport | 11th |
| 3.5.1998 | Belcar Spa SFD | 26 | M3 | Beckers / Stevens | Cassiers Serge | 20th |
| 3.5.1998 | Belcar Spa SFD | 32 | M3 | Cuyvers / Beliën | BMW Beliën | 11th |
| 3.5.1998 | Belcar Spa SFD | 33 | Compact | Geboers / Van Roey | EG Racing | 16th |
| 3.5.1998 | Belcar Spa SFD | 34 | M3 Compact | van Kouwen / Van Elderen | Compact Racing | 34th |
| 3.5.1998 | Belcar Spa SFD | 36 | M3 | Brinkmann / Bartlick | Team Charly | 33rd |
| 3.5.1998 | Belcar Spa SFD | 37 | M3 GTR | Henkens / Gemoets | Haes Racing | 44th |
| 3.5.1998 | Belcar Spa SFD | 42 | M3 | Hubert / Dewinter | Rahier Luc | DNS |
| 3.5.1998 | Belcar Spa SFD | 43 | M5 E34 | Carlier / Leyssens | | 30th |
| 3.5.1998 | Belcar Spa SFD | 44 | M3 | Van der Kolk / de Bode | | 26th |
| 3.5.1998 | Belcar Spa SFD | 50 | M3 | Van Lindt / Depondt | Deguise Johnny | DNS |
| 3.5.1998 | Belcar Spa SFD | 60 | M3 | de Wolf / Michiels | | 19th |
| 3.5.1998 | Belcar Spa SFD | 61 | Fisa 2L | Kenis / De Veirman | Jacobs Wim | 12th |
| 3.5.1998 | Belcar Spa SFD | 68 | 320i | Meijers / Meijers | Meijers Racing Team | 24th |
| 3.5.1998 | Belcar Spa SFD | 83 | M3 | Qvick / Vermeiren | | 36th |
| 10.5.1998 | CDN GT Mosport BARC Spring | 117 | 325i Turbo | Sandy Macnie | | 20th |
| 17.5.1998 | 2 h 15 min Homestead | 1 | M3 E36 | Bentley / Duez | Prototype Technology Group | 7th |
| 17.5.1998 | 2 h 15 min Homestead | 6 | M3 E36 | Said / Simo / Auberlen | Prototype Technology Group | DNA |
| 17.5.1998 | 2 h 15 min Homestead | 10 | M3 E36 | Said / Simo | Prototype Technology Group | 8th |
| 17.5.1998 | 2 h 15 min Homestead | 54 | M3 E36 | Newman / Pilgrim / Borcheller | Bell Motorsports | 15th |
| 24.5.1998 | CDN GT Mosport BEMC Spring | 117 | 325i Turbo | Sandy Macnie | | 25th |
| 25.5.1998 | 1 h 45 min Lime Rock [GT] | 1 | M3 E36 | Bentley / Cunningham | Prototype Technology Group | 5th |
| 25.5.1998 | 1 h 45 min Lime Rock [GT] | 6 | M3 E36 | Said / Duez | Prototype Technology Group | 4th |
| 25.5.1998 | 1 h 45 min Lime Rock [GT] | 10 | M3 E36 | Auberlen / Simo | Prototype Technology Group | 7th |
| 7.6.1998 | 24 h Le Mans | 1 | V12 LM | Stuck / Kristensen / Soper | Team BMW Motorsport | DNF |
| 7.6.1998 | 24 h Le Mans | 2 | V12 LM | Martini / Cecotto / Winkelhock | Team BMW Motorsport | DNF |
| 14.6.1998 | 24 h Nürburgring | 1 | M3 E36 | Kather / Grohs / Deutgen / Funke | Dürener Motorsport Club e. V. im ADAC | 3rd |
| 14.6.1998 | 2 h 30 min Mid-Ohio | 1 | M3 E36 | Bentley / Simo | Prototype Technology Group | 11th |
| 14.6.1998 | 24 h Nürburgring | 2 | 320d | Bovensiepen / Duez / Menzel / Stuck | Team BMW Motorsport Nürburg | 1st |
| 14.6.1998 | 24 h Nürburgring | 3 | M3 | Krankenberg / Schmickler / Oberndorfer / von Saurma-Jeltsch | MK-Motorsport | 9th |
| 14.6.1998 | 2 h 30 min Mid-Ohio | 10 | M3 E36 | Auberlen / Said | Prototype Technology Group | 9th |
| 14.6.1998 | 24 h Nürburgring | 12 | M3 | Schug / Scholz / Jodexnis / Mühlbauer | | 60th |
| 14.6.1998 | Belcar Spa PT | 12 | M3 | Dierckx / Lievens | | 16th |
| 14.6.1998 | 24 h Nürburgring | 20 | M3 E36 | O'Dell / Mäkinen / Arho / Mätsala | Moore International Motorsport | 30th |
| 14.6.1998 | 24 h Nürburgring | 22 | M3 | Orioli / Salvarini / Cappellari | Duller Motorsport | 5th |
| 14.6.1998 | Belcar Spa PT | 26 | M3 | Beckers / Stevens | Cassiers Serge | 20th |
| 14.6.1998 | Belcar Spa PT | 32 | M3 | Cuyvers / Beliën | BMW Beliën | 15th |
| 14.6.1998 | 24 h Nürburgring | 32 | 318 ti | Bonk / Bonk / Burgstaller / Renger | | 27th |
| 14.6.1998 | Belcar Spa PT | 33 | Compact | Geboers / Van Roey | EG Racing | 9th |
| 14.6.1998 | Belcar Spa PT | 34 | M3 Compact | van Kouwen / Van Elderen | Compact Racing | 21st |
| 14.6.1998 | Belcar Spa PT | 37 | M3 GTR | Henkens / Gemoets | Haes Racing | 18th |
| 14.6.1998 | Belcar Spa PT | 42 | M3 | Hubert / Dewinter | Rahier Luc | 26th |
| 14.6.1998 | Belcar Spa PT | 43 | M5 E34 | Carlier / Leyssens | | 28th |
| 14.6.1998 | Belcar Spa PT | 44 | M3 | Van der Kolk / de Bode | | 14th |
| 14.6.1998 | 24 h Nürburgring | 48 | M3 E30 | Müller / Peter / Witzmann | | 59th |
| 14.6.1998 | 2 h 30 min Mid-Ohio | 54 | M3 E36 | Newman / Pilgrim / Borcheller | Bell Motorsports | DNA |
| 14.6.1998 | 24 h Nürburgring | 57 | 325i Coupe | Müller / Abels / Wegerer / Hoffmann | | 25th |
| 14.6.1998 | 24 h Nürburgring | 58 | M3 E36 | Möller / Felder / Furtmayr | Renngemeinschaft Bergisch-Gladbach e. V. im ADAC | DNF |
| 14.6.1998 | Belcar Spa PT | 60 | M3 | de Wolf / Lenaerts | | 46th |
| 14.6.1998 | Belcar Spa PT | 61 | Fisa 2L | Kenis / De Veirman | Jacobs Wim | 50th |
| 14.6.1998 | 24 h Nürburgring | 68 | M3 | Tischner / Thal / Tischner | | 19th |
| 14.6.1998 | Belcar Spa PT | 68 | 320i | Meijers / Meijers | Meijers Racing Team | 24th |
| 14.6.1998 | 24 h Nürburgring | 69 | M3 | Weiland / Weiland / Jodexnis | | 14th |
| 14.6.1998 | 24 h Nürburgring | 75 | M3 | Robl / Hicks / Bell | Scuderia München e. V. im ADAC | DNF |
| 14.6.1998 | 24 h Nürburgring | 80 | M3 | Tremblay / Vignon / Baudet | | 85th |
| 14.6.1998 | 24 h Nürburgring | 83 | M3 3.2 | Bäder / Hagenmeyer / Schall | | 6th |
| 14.6.1998 | Belcar Spa PT | 83 | M3 | Qvick / Vermeiren | | 36th |
| 14.6.1998 | 24 h Nürburgring | 84 | M3 E36 | Wolfsgruber / Gehring / Weis / Pfrommer | | 12th |
| 14.6.1998 | 24 h Nürburgring | 86 | Z3 | Steinlein / Keller / Albig / Mitchell | Scuderia München e. V. im ADAC | DNF |
| 14.6.1998 | Belcar Spa PT | 95 | M3 | Van de Velde / Jaenen | | 35th |
| 14.6.1998 | 24 h Nürburgring | 102 | M3 E36 | Springer / Kralik / Anspann / Deiser | | 16th |
| 14.6.1998 | 24 h Nürburgring | 126 | M3 E36 | Moore / Cox / McLaren | Moore International Motorsport | DNF |
| 14.6.1998 | 24 h Nürburgring | 145 | M3 | Povey / Clarke / Donaldson | | 22nd |
| 14.6.1998 | 24 h Nürburgring | 182 | 318 is | Bonk / Bolz / Schilling / Kok | | 105th |
| 14.6.1998 | 24 h Nürburgring | 185 | M3 | Stillwell / Karaskas / Khan / Peeter | Sonera | 32nd |
| 14.6.1998 | 24 h Nürburgring | 186 | M3 | Henderson / Bügler / Dürig / Baker | | 48th |
| 14.6.1998 | 24 h Nürburgring | 205 | 320i | Severich / Richter / Schirrmeister / Wlazik | | 2nd |
| 14.6.1998 | 24 h Nürburgring | 212 | M3 | Lusuardi / Pindari / Sangiuolo / Gabellini | | 84th |
| 14.6.1998 | 24 h Nürburgring | 216 | M3 | Scheid / Reck / Schlesack | Scuderia Augustusburg Brühl e. V. im ADAC | 4th |
| 21.6.1998 | 3 h 45 min Road Atlanta | 1 | M3 E36 | Cunningham / Bentley | Prototype Technology Group | 14th |
| 21.6.1998 | 3 h 45 min Road Atlanta | 6 | M3 E36 | Said / Simo / Duez | Prototype Technology Group | 10th |
| 21.6.1998 | 3 h 45 min Road Atlanta | 10 | M3 E36 | Simo / Auberlen | Prototype Technology Group | 13th |
| 21.6.1998 | 2 h Zeltweg | | M3 E36 | Alexander / Quester | | 17th |
| 21.6.1998 | 2 h Zeltweg | | M3 E36 | Brand / Matteuzzi | | 5th |
| 21.6.1998 | 2 h Zeltweg | | M3 E36 | Del Castello / Marini | | 18th |
| 21.6.1998 | 2 h Zeltweg | | M3 E36 | Cappellari / Duller | | 15th |
| 21.6.1998 | 2 h Zeltweg | | M3 E36 | Zadra / Zadra | | 9th |
| 21.6.1998 | 2 h Zeltweg | | 325i | Moré / de Lorenzi | | 8th |
| 21.6.1998 | 2 h Zeltweg | | 325i | Sabba / Crinelli | | 12th |
| 21.6.1998 | 2 h Zeltweg | | M3 E36 | Benedetti / Bagnasco | | 10th |
| 21.6.1998 | 2 h Zeltweg | | M3 E36 | Meloni / Meloni | | 6th |
| 27.6.1998 | Hi-Land GT Sendai | 21 | M3 E36 | Hitotsuyama / Katou | Hitotsuyama Racing | 14th |
| 28.6.1998 | 1 h 45 min Minneapolis | 6 | M3 E36 | Cunningham / Simo | Prototype Technology Group | 10th |
| 28.6.1998 | 1 h 45 min Minneapolis | 10 | M3 E36 | Bentley / Simo | Prototype Technology Group | 9th |
| 28.6.1998 | SM GTR Anderstorp | 86 | M3 Evo 2 | Sten Jarl | Sten Jarl | 5th/5th |
| 28.6.1998 | CDN GT Shannonville Trilllium Trophy | 117 | 325i Turbo | Sandy Macnie | | 20th |
| 5.7.1998 | 24 h Spa | 9 | 320i | Moreau / Boutsen / Martin | Ecurie Toison d'Or | 12th |
| 5.7.1998 | 24 h Spa | 10 | 320i | Cudini / van de Poele / Duez | Fina Bastos Racing Team | 1st |
| 5.7.1998 | 24 h Spa | 11 | 320i | Ferté / Saelens / Fermine | Fina Bastos Racing Team | 4th |
| 5.7.1998 | 24 h Spa | 24 | 320i | Slaus / Huisman / Huisman | Renstal Excelsior | 16th |