Quote:
Originally Posted by lucid
BMW hasn't done anything wrong. Although the dyno charts look awesome, as he has already indicated, the fuel efficiency has gone to hell (as if it's not already there in stock form), and most likely, so have emissions. I wonder if it would pass emissions in the US? And, we don't know the effects on reliability. There are many trade-offs when you do a mod like this. I am sure BMW-M-Mexico is aware of them, and he has made his choice. (I am not saying one shouldn't do it, but just to be aware that there will be some trade-offs).
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I didn't take the time to read the whole thread, if I had then I would have knew about the ecomony and wouldn't have commented on the subject.
Though the curves for both power and torque are the smoothest I have even seen.