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Old 06-28-2012, 12:23 AM   #23
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Join Date: May 2008
Location: San Francisco, CA
Posts: 171
My Ride: 2000 323i
Okay, I took a little time to write out all of the changes that need to be made. Its pretty much exactly as simple as TerraPhantm is making it out to be (sorry it took me so long to realize what you've been saying all along).

From what I can tell, the bulk of the changes are that pins become non-functional. Unless I'm being presumptuous about pin functionality, there's about 14 pins that will no longer do anything or go anywhere. One pin will have to be moved to a new location. And there are 14 pins that will have to go to new wiring harnesses. 6 of those pins will go to the new throttle body wiring harness, another 6 will go to the pedal position switch, and the last 2 will go to an emissions circuit which is to-be-determined. It would probably be wise to disconnect those non-functional pins so they dont act like an antenna and bring EMI or other engine noises past all of the electronics filters in the DME.

Here's a spreadsheet of what I've observed thus far: PIN_REASSIGNMENT.pdf
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