Hi Baron have changed ecu unit but still no spark car is off on its travels again on trailer to elite motors they sorted out my last 200 quattro about 8 years ago, there not cheap but the guy there has 20 years experience on 200 quattros also has a spare one in his unit and will take parts off and try them on mine. just need to get it out of the snow by friday. will keep in touch to let you know the out come. Bart.