I feel bad for the people that buy these cars on the used market. Car is basically running wrong the entire time the piggyback tune is on the car. If they feel different they should register their vins since most here feel confident the tune is an improvement for their cars.
my car will be full disclosure if I ever sell it.
Quote:
Originally Posted by BEM-S4
The guys at Bimmerworks, Thompson and a few other folks I called all said the same thing about Dinan vs JB4. Granted these are Dinan dealers I'm talking to but it's at least mildly reassuring that they're all saying the exact same thing.
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