I bought a a4 few weeks ago had some work done on it but with no recites . The guy claimed it had a new turbo only 1000 miles on it and few days into owning i realised it making a whining noise and starting to plume smoke when i stop or take off. its a k04-15 btw. What i want to know is he claimed the motor has a GIAC chip installed and tuned for the ko4, how could i go about and check because im curious.
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