How-To: Procede v4 PnP harness update (optional)
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11-14-2010, 02:01 PM
Drives: 2015 M4 & 2015 M235
Join Date: Aug 2007
Performed this harness update today, was particularly easy on my v4 as the wires being removed were purple so very easy to identify. I borrowed two red unused wires from the other harness.
Pretty simple, no codes or issues on my test drive.
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