I ordered the HK option on my M2…but on a test-drive I was not impressed with the HK audio system (it sounded worse then the HK in my 12 years old e46 325i). If you want to upgrade the audio system with something aftermarket (I don't know what the possibilities are) is it better to start from the base audio system or from the HK system?
I only heard the HK system in a brand new test M2…someone told me the system needs to play at least 10 hours to "play in" and then the sound would be better
