Quote:
Originally Posted by Zuzu
Ask your service department whether they upgraded your ECU..
Once my UCU was upgraded after throwing CEL's which had no relevance on power or anything just annoying, the car came back as you described..Deeper exhaust note and smoother.. Its the upgraded ECU for sure..
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+1, I bet they updated you to the latest code. I really want to have this done to mine, I may have to find a "problem" that requires a reflash
