Saab 9-3 Sedan/Combi/TurboX/AWD(2003+)/Conv(2004+)
Hi,
I have a 2004 9-3 SS and I just installed the Maptun Stage 1 upgrade.
Since installing it the turbo now whines when its really going, its obviously a result of the increased boost, but my question is, is this normal? The car has only done 50,000 miles, I have been running it on V-power for...