Heger was in his career already works driver for BMW, Audi, Honda and Peugeot. His greatest achievements include overall victory in the 24- hour race at Spa -Francorchamps 1986 and 1988, the 24 -hour race on the Nürburgring in 2000 and a master title in the Porsche Supercup.
In June of 2000, he won together with Bernd Mayländer, Michael Bartels and Uwe Alzen Porsche 996 GT3 R on the team " Porsche Centre, Koblenz ," the 24 -hour race at the Nürburgring. After he retired from professional racing in 2007 and joined again in a race of the Porsche Supercup. The 24-hour race at the Nürburgring in 2009, he ended on a used Volkswagen Motorsport VW Scirocco GT24 at the 20th place overall. Likewise, since 2009, a Porsche 935 prepared with the aim of this use in 2010 at the Le Mans Classics Series with Heger as a driver at the company Kremer Racing.
The Hegersport GmbH, whose Managing Director is Heger, directed GmbH (supported by ADAC and the MSC Weingarten ) the race of the Porsche Sports Cup Germany on behalf of the Porsche Germany.