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Old 12-29-2008, 08:17 PM   #13
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Join Date: Dec 2008
Location: Seattle WA
Posts: 144
My Ride: E46 M3 Blk/Blk
I think the cost difference is more about the Chinese labor, materials, and production controls.

Here is what controls the rear tails outer ring on the production cars. Left side shown.

Pin Type Desc / Signal type Connection/Measuring notes
20 A Signal, dynamic brake light actuation, left Tail light, left
5 A Signal, left brake light Tail light, left

So another question I have is if I run that wire to a replacement LCM with new software, will it work? =] If this doesnt work, there is less reason to by the OEM ones.

Last edited by Sack; 12-29-2008 at 08:58 PM.
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