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What's The Point
You buy a 328I. It has the same mpg figures as a 335I. You buy this piggyback ECU and make the 328I have similar HP and TQ as a 335I for $1600 plus install. WHY???? Why the headache of dealing with possible warranty issues? For an extra $1600 when you bought the 328I you could have had a 335I and saved yourself the trouble. I am not getting the point of this IMHO......
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