Perfect! Thanks to both for the helpful responses. My M3 is going in for routine service, and this helps me understand what to look for if they do happen to overwrite the software.
And Mike - I am absolutely 100% happy with the tune I bought from you! I've been preaching its benefits to all my buddies here in the tri-state area.
Do you do tunes for non-M vehicles? Specifically, a 2010 Z4 35is, a 2011 X6 50i, and a 2014 640i Gran Coupe?
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