http://en.wikipedia.org/wiki/Helmut_Kelleners

He also won the 1972 Race 24 Hours of the Nurburgring , in a BMW 2800 CS Alpina!!!

24 Hours Nürburgring
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The 24 Hours Nürburgring is a GT and touring car endurance racing event on the Nürburgring, inspired by the famous 24 Hours of Le Mans and the Spa 24 Hours. The venue of this event is held on the Nürburgring Nordschleife (north loop), and is geared towards amateur drivers and primarily production cars. Conversely, the related 1000 km Nürburgring sports car racing (introduced in the 1950s) race is geared towards professional teams and drivers, and is held since 1984 on the GP Strecke.

Officially called ADAC 24h Rennen Nürburgring in German, it was introduced in 1970 by the ADAC as a real race, unlike the earlier endurance contests, over 12h, 24h (in 1961 and 1967), 36h, 84h and even 96h Marathon de la Route[1], the substitute for the Liége-Rome-Liége and Liége-Sofia-Liège rallies, held on the Nürburgring from 1965 to 1971.

Typical entries range from standard road cars to European Touring Car Championship vehicles, and sports cars like the Porsche 911. As interest had dropped in the 1990s when only rather standard FIA Group N cars competed, stronger vehicles were admitted since 1999, like the Zakspeed Chrysler Viper GTS-R which originally was built to FIA GT2-spec, modified Deutsche Tourenwagen Masters cars from Opel and Abt Sportsline-Audi, and the Schnitzer Motorsport-entered BMW M3 GTR V8 that had been run in the 2001 American Le Mans Series.

Due to various changes and versions of the Grand Prix Strecke, the overall length of the track varied from the original 22.835 km (14.189 mi) to nearly 26 km (16.2 mi) of the maximum length configuration which was in use in 2002 and 2003, after the GP track had been extended by the Mercedes Arena. As this Arena was useful as extra paddock zone for the competitors of the support races, it is bypassed with a sharp Z-shape chicane since 2005 for a 25.3 km (15.7 mi) track length.

For practice, 230 cars are allowed, 220 qualify for the race, driven by 800 or more drivers, as 2, 3 or 4 can share a car. One driver is allowed to drive 150 minutes nonstop, and can enter on two cars, yet a rest time of at least 2 hours has to be observed between two turns....................................

: 2.Jo Siffert and Helmut Kelleners ( on the right) at the
: Nurburgring , talking or discussing in a break.

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: 3. Helmut Kelleners Racecar Porsche 917 on position 3 in the 24
: hour spa race from 1970 ty.

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: 5. Helmut Kelleners in his Porsche 908 Syder in a race in 1970 ties

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GREETINGS Jasper