PORSCHE RACING HISTORYHelmut Kelleners (D)
1975 : DARM Hockenheim [GT+2.0/T+2.0] - 3rd overall, 2nd in class : Nürburgring 1000 Km - 1st in class : DRM Hockenheim Rhein-Pokal - 3rd overall : DRM Diepholz - 3rd overall : DRM Hockenheim Preis von Baden-Württemberg - 2nd overall
13 April 1975 - DARM Hockenheim [GT+2.0/T+2.0] - DARM - Deutscher Automobil-Rundstrecken-Pokal
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | GT+2.0 | Helmut Kelleners (D) | Jägermeister Kremer-Team (D) | 3rd | 2nd |
20 April 1975 - Monza 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 76 | Porsche 911 Carrera RSR | 911 560 9117 | GT3.0 | Helmut Kelleners (D)/Hans Heyer (D) | Jägermeister Kremer Racing (D) | DNF | 28th | 62 laps - Piston Rings |
1 June 1975 - Nürburgring 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 54 | Porsche 911 Carrera RSR | GT+1.6 | Helmut Kelleners (D)/Hans Heyer (D)/Bob Wollek (F) | Jägermeister-Kremer-Team (D) | 8th | 1st | 29th | 40 laps |
8 June 1975 - DRM Hockenheim Rhein-Pokal - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 46 | Porsche 911 Carrera RSR | Div.I | Helmut Kelleners (D) | Jägermeister Kremer Team (D) | 3rd | 3rd | 7th | 20 laps |
20 July 1975 - DRM Diepholz - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | Div.1 | Helmut Kelleners (D) | Jägermeister Kremer Team (D) | 3rd | 3rd | 5th | 40 laps |
17 August 1975 - DRM Kassel-Calden - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 56 | Porsche 911 Carrera RSR | Div.1 | Helmut Kelleners (D) | Jägermeister Kremer Team (D) | DNF | 7th | 1 lap - Engine |
31 August 1975 - DRM Hockenheim Preis der Nationen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 911 Carrera RSR | Div.1 | Helmut Kelleners (D) | Jägermeister Kremer-Team (D) | 6th | 6th | 8th | 20 laps |
28 September 1975 - DRM Hockenheim Preis von Baden-Württemberg - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | Div.1 | Helmut Kelleners (D) | Jägermeister Kremer-Team (D) | 2nd | 2nd | 6th | 25 laps |