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      11-07-2012, 06:17 PM   #5
Pacemaker1000
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Drives: 430i GC
Join Date: Nov 2012
Location: Uk

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Pity it's not simple but I like your thinking.
So bmw have added something to the software to stop you adding your own Garmin and therefore an updated model when it arrives
Looking a the diagrams you kindly posted, assuming all garmins output the necessary signals, then it should be possible to rearrange the b1-b12 connections if they are not in the correct order?