Quote:
Originally Posted by DDS2015
Interesting... I wonder how hard it is to DIY. Also, is it safe to assume that this kit will work for any BMW with an N55? An extra 20 hp in an X3 would be really fun
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Don't think you can DIY, since they won't give you the software plus equipment to flash it yourself. Pretty sure you'll only be able to get this done at the dealer.
However, if you want to DIY, there are many other options out there, just not warrantied by BMW.