Bizzarrini P538 drivers Edgar Berney and Andre Wicky, but records indicate both retired after three hours with a cooling problem. A second team in a production-based Bizzarrini A3/C, driven by Sam Posey and Massimo Natili, was disqualified after a pit lane violation, possibly while returning with serious frame damage. American Ferrari driver Mike Gammino then commissioned a Lamborghini 4.0-liter V12 powered car, which he raced once. Bizzarrini attempted to build a second, 3.5-litre V12 car for Le Mans, but was unable to complete it before bankruptcy. Beginning in the mid-1970s and continuing at least through the 1990s, former Bizzarrini engineer Salvatore Diomante
BMW V12 LMR Le Mans, three V12 LMRs appeared. In the tradition of the famous BMW Art Cars, one of the two undamaged cars featured a paint job created by artist Jenny Holzer. Unlike at Sebring, the V12 LMRs would be facing closed cockpit prototypes which were theoretically faster over a single lap yet not as fuel efficient. Even with this apparent setback, a V12 LMR was able to take the 4th fastest lap time over the practice session, behind two Toyota GT-Ones and a Panoz prototype. For the race itself, only two cars appeared with the Art Car being dropped from the