The Road Car That Conquered Le Mans - and the first Turbocharged Porsche ever to win its class at Le Mans.

In early 1975, a white Porsche 911 Turbo 3.0 sat under the bright lights of the Geneva Motor Show 1975.

It was one of the very first production Turbos ever built - chassis 9305700023 (in special "exhibition show car" spec with McLaughlan tartan seats) - and to most people, it was simply a glimpse into the future of fast road cars.

No one could have imagined that within months, this very same car would be winning its class in the world's greatest endurance race.

After the show, the car was delivered to Switzerland to its first owner, Max Kly, through the Haberthr garage, a well-known Porsche dealership with a racing background.

At the time, the Haberthr team was preparing for the 24 Hours of Le Mans 1975, planning to enter two purpose-built 911 RSR race cars.

But shortly before the event, one of those cars was unexpectedly sold.

Suddenly, the team had a problem - one driver ...