Thread: Trailer brake wireless harness
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      11-15-2016, 08:30 PM   #3
Diesel X5
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Drives: X5 35d X
Join Date: Dec 2013
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2011 X5 xDrive 35d  [10.00]
Quote:
Originally Posted by Brian_Fantana View Post
Has anyone seen this? You plug the trailer brake into your cigarette lighter. I wonder if OEM coding is still required.

http://www.etrailer.com/bc-2013_BMW_...+factory+7-Way
That's the one I have used for three years now and it works great with my travel trailer. I had to have the codes done for everything to work.
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