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      05-24-2019, 06:53 PM   #107
CeeWhizzle
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Drives: 2009 E92 335i
Join Date: Feb 2014
Location: Regina, SK

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Quote:
Originally Posted by rich_mane View Post
If I remember correctly, those black and blue plugs are part of the auto trans harness. They have CAN bus lines that need to be cut and reconnected since there's no more auto trans to close the CAN bus circuit.

When I did my manual swap, I kept the original harness since there's really no difference other than the auto trans connection. All I did was cut the CAN wires from the body side of those connections and reconnect them with butt connectors to close the CAN bus.

Correct. And the CAN Bus wires are the ones that are twisted together. You need to either create your own way of looping them with the plug or simply snip the wires and connect each of the 2 twisted pairs together to close the loop. The other wires can simply be tucked away or forgotten about.
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