Quote:
Originally Posted by carzaddict
my buddy wants me to do some coding for his 2014 3 series.
I am assuming I have to update my PSdZData.....if I do....would I be able to go back and do coding to my car? would coding my car with the newer data cause a mess?
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Newer versions of the PSdZData are backwards compatible with older firmware.
Upgrading to a newer PSdZData will not affect your ability to code your car with older firmware.