Hello together, for about a month now I have an e65 745i in super condition me verifiable 97,000 km from the BMW partner Unfortunately, the engine does not always do what it should. Especially in thrust operation at 40-50km/h it sometimes has speed fluctuations, especially strong when it goes downhill. The speed then commutes between 500-1500, but one does not always feel a jerking. Strangely, the problem seems to occur less when it is damp and cold. I also find that the engine The V6 in my Mercedes CLK320 didn’t run smoothly enough for a V8. At the same time, the engine sometimes has a speed hole between 2000-3000 revolutions. One accelerates and gets faster, but the speed drops by 300-400 rpm. One does not notice, however, that the thrust is reduced. Does something regulate the speed down here, for example, to save sprite, or should this not be so? hts. Shortly after the purchase came the message engine gets too hot, although the temperature was loudly only 97 degrees. In the FS then the message communication DME was disturbed. Strangely, in some ECUs when reading out with IN** misterious mileage levels. In the control unit of the auxiliary heating even over 400,000km. But the BMW was certainly not turned back. Can it be, then the communication in the BUS system is simply disturbed by something? For tips I am Thank you very much!