Quote:
Originally Posted by coolmex200
The Maxchip tuning is unlike the Racechip ultimate. That's actual tune vs a piggy back like the RC. I thought about it, but it's too much money and I'm happy with the piggy backs...they do come with a warranty. I am thinking about ordering the Racechip Pro just to compare both of them.
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The problem whit there tune and the other flash tunes that exist for our cars is that you can't reconfigure default settings by yourself and if your in a accident etc you are pretty screwed when bmw finds out.