9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
Just had installed Maptun Biopower stage 6 (Forged pistons, 255 pump, 660cc injectors, Maptun XT turbo, BCPR9ES-11 plugs etc...) on 2005 9-3 2.0.
along with the new timing chain.
First start up after logging ECU using maptuner X.
Very rough at idle, excessive black smoke with strong fuel...