German auto racing team
Kremer Racing is a motorsports team based in Cologne, Germany, founded by racing driver Erwin Kremer and his brother Manfred. They have competed internationally with Porsches for nearly all of their existence, and were even one of the factory-backed squads for many years. Besides running Porsches, the team was also known for their tuned Porsche race cars that they both raced and sold to other teams who could not gain the best equipment from the factory. 
History.
Among Kremer's greatest achievements were: Winning the 1979 24 Hours of Le Mans with their own 935 K3 with Klaus Ludwig and American brothers Don and Bill Whittington. Kremer Racing later won the 24 Hours of Daytona in a K8 Spyder in 1995 with drivers Jürgen Lässig, Christophe Bouchut, Giovanni Lavaggi and Marco Werner.
After surviving a heart attack two years earlier, the company's founder Erwin died in 2006 and the managing director Uwe Sauer is at the helm of the team, even when younger brother Manfred Kremer bought it back in 2008, before selling it to Mr.Baunach in 2010.
Tuned Porsches.
In the 1970s, Kremer initially tuned 911s, 914-6 GTs, and 934s. However, with the Porsche 935, Kremer began designating their tuned models with the letter K, followed by a number in order of construction. Eight cars were designated as such.
Kremer also built a 917 for use in the 1981 24 Hours of Le Mans, and would also make improvements on the 911 GT1 and GT2 in the 1990s.
References.
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