The favoured Danish BMW had retired before half-time after ongoing issues with its exhaust and wheel bearings kept it from being competitive. Raymond Touroul's non-turbo Porsche had led the GTO class since the first hour, after early issues stymied his rivals and they never caught up.
The favored Danish BMW was forced to retire at halftime due to ongoing mechanical issues with its exhaust and wheel bearings, which rendered it unable to compete. Meanwhile, Raymond Touroul's non-turbo Porsche had maintained a strong lead in the GTO class from the outset, as his rivals struggled to overcome their early setbacks.