Bumping - I have an early MY '11 (without the tweeters) 128 w/ USB/iPod installed but no bluetooth. The radio and HVAC seem to be having issues: radio loses all volume, HVAC and radio power 'die' for a few seconds, etc.
So, I may be getting a new head unit. Just wondering if it makes sense to see if I can get the headunit with bluetooth, or if my car probably already has bluetooth and I just need the proper wiring harness for the mic / antenna?
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