Quote:
Originally Posted by Dackelone
The thing is... with BMW new "SW update" is that not only does it de-tune our N54/N55's... but it also has some new anti-tuning sw in its code. Some of the piggy tunes aren't as effective post SW update.
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Mine has always made the same power regardless of which BMW update went in it. I have done multiple dynos over the last couple years. Cars do need to adapt, and as far as piggys making less power, they need to update their maps and that's usually fixed. I know many people that have done various updates along the way personally and none of them have complained either. From stock, tune/piggyback only to FBO. The detune/power loss is all bs generated online by people, the majority of which don't even own a car relevant to the forum they post their slanderous comments in.