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  1. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Hi there, From time to time (every 2000km), i can se a very heavy light blue smoke coming out from the exhaust. it last for about only 3-4 minutes and stops. no warning on the dashboard, oil temp is OK, no specific noise, no performance lost. I have no idea of what is it... The last smoke test...