Quote:
Originally Posted by Davo2003
Nav alone on a 3 series is 2100, you have to have Nav to get M Drive, you cannot program M Drive without Nav/iDrive interface...so I agree M Drive will cost little if iDrive minus Nav is standard (like on the 5 series) but if the m3 comes flat dash, 2500 for M Drive minimum...
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AFAIK, basic MDrive is controlled by buttons. It does NOT require the navigation system. When you have Nav, you gain control of the steering assist programs, as well. The BMW Press Release alludes to this "optionally available MDrive configuration" as distinct from basic MDrive. If I had time I'd look up where I read a more complete description, but go to go to work now.