Quote:
Originally Posted by infamousdiz
Prove It. prove what I modified had a direct result in the malfunction. I understand your concept but most tunes are well within healthy parameters. why not make every attempt to hide your alteration, my first question for any tune would be "will be bmw know I did this and is it reversible?" Like any thing in life there are no guarantees but if they tell me clients have never reported a problem when bringing their car in for service I will roll the dice.
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The fault codes will store individual readings from multiple vehicle sensors showing how the vehicle was being operated at the time of a fault.
The only valid way of BMW to tell wont be from a "piggy back".. ECU flash would be obvious by being able to read the date, mileage and how many times the module was flashed.
So realistically, unless it was an engine failure then I wouldn't really think they would put that much effort to look into all of this.