Thanks for the replies,

The setup was about $2800-3000 including all my materials. It was a work in progress so I really don't have an exact figure, it's more of an estimate. The A/D/S comps and JL sub were the bulk of the price.

Also, I did remove my spare. I use AAA

I have been looking at the ice>link plus but I have no clue how transparent it installs when the ipod your BMW splice install has already been done to the factory radio.