Quote:
Originally Posted by krhodes1
If you don't have the phone prep option you won't have the wiring. You will need to run your own. I am in the midst of this as well on my '11 128i. I bought shielded cable from Amazon, and the correct cable for the bluetooth antenna, and then the mic connector and pins from ECS. And a used column cover and mic from eBay (convertible, so different location to yours).
This thread should be helpful:
https://www.e90post.com/forums/showt...=356638&page=5
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Thank you for helpful information