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Cory, the problem is that the BMW techs havent got much of an idea aswell.
For me to get out of the service mgr this morning what ECU upgrade I was getting, he had to call Melbourne then call me back..
Apparently besides the Idrive problems it is supposed to remove or reduce the turbo lag down low in the rev range that some cars have.
When I had the first upgrade done months ago it definately was a lot smoother down low with no lag.
My ongoing problem hasnt been the Idrive but "Service Indicator" lights that wont go away after starting and "Brake Pad" warning lights that remain on.
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