Hello municipality, drive now for about 2 months also a Volvo V50, BJ 2005 2.0D, it has 160,000 km. Now unfortunately I have the problem, which is probably largely known. At approx. 1600 – 2000 revolutions with very light gas giving the engine ruckelt strongly. What also comes with me is that when accelerating, also around 2000 revolutions, very strong black smoke comes out of the exhaust. However, the performance is still very good. The topics I have read here in the forum are from 2006 with moderate success after a visit to the friendly one. I read again and again something of software update, EGR valves. Are there in the meantime new findings, respectively better software updates? Thank you for your support.