I can't seem to find any reviews on the Maxchip Pro. I would also love to hear the comparison between the Maxchip and Racehip. I have loved my Racechip since I got the car. If Maxchip provides better performance though, I would have no problem switching - especially for the cost.
Please keep us posted on what you select. Coolmex, I think you would need the Racechip Ultimate in order to do a proper comparison.
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2019 X5 X40iM
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