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      01-20-2021, 12:40 PM   #21
Lurcher
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Drives: 2012 z4
Join Date: May 2013
Location: Buford, GA (right side of ATL)

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Interested in the iDrive controller wiring - as the e89 I thought had 3 wires vs the e90 4 wires. Where did the extra wire come from? I've been looking to do this upgrade for some time. Looking forward to a parts list as well.

Great videos!
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