Quote:
Originally Posted by alefcole
Can you let us know if your 2011 zcp car came with the top bottom for stereo source and lower bottom as air recirculation?? After the code which is the M button and what feature does the other button gets??
Thank you
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Top button was stereo and bottom was air before the retrofit. after, top button is the M button and bottom is stereo. I think those are the default functions on the newer m3?