Recently my brother turned me onto the chipwerke pro piggy back. I looked at there website but couldn't seem to find the numbers for power gains over stock. Can anyone key in?
Is anyone here running it? Had any issues with it? Reduced reliability? My brother drives a 335i and said the chipwerke is pretty similar to the JB4 chip for the n54.
What are the differences between APR or GIAC to Chipwerkes?
Thanks for any and all input guys!
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