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...