I had purchased a 2005 Audi A6 3.0Tdi from the United cars dealership at Audi East Rand Mall, in September 2010. The first day when driving off with the vehicle, it lost power. I had to take it back the same evening, within 2 hours of driving away with it. Audi ERM checked the car and concluded that the Turbo Control Unit was faulty and “replaced” it. The car was returned to me and within a couple weeks was taken back to Audi ERM for the same reason, loss of power. This time, after testing the car, it was found that the Turbo... read full review »