jeff002 23 Report post Posted September 6, 2012 planing to upgrade my 97 e39 with DVD system.but I cant find which oneis Ibus cable.prefer it tap from back of the old radio.not from the cd stacker. thanks Quote Share this post Link to post Share on other sites
jochen 4 Report post Posted September 6, 2012 white yellow grey tip: databus wires have 3 colours Quote Share this post Link to post Share on other sites
