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Old 11-21-2010, 09:28 PM   #60
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Join Date: Nov 2006
Location: Edmonton, Canada
Posts: 2,230
My Ride: 2003 325xi
Originally Posted by delmarco View Post
Is this why whenever I take apart the steering wheel the steering wheel buttons seem to all run on like 2 wires going into the car?

I mean all 6 buttons for music/bluetooth and 4 for the Cruise control all seem to run into the car via like 2 wires.
The iBus can accept info from various sources like sensors, steering wheel buttons, radio, cluster, cruise, displays, OBC, etc by treating all these like clients on ring type network. Each is connected to those 2 wires with the iBus handling the network traffic.
Without the iBus, the wiring to pull off the functionality would be massive.

Last edited by xi_ter; 11-21-2010 at 09:32 PM.
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