Thread: Which brake controller to get for towing?
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      02-21-2019, 09:19 AM   #4
russelldav
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Drives: 2019 X5 50i
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The BMW option actually just looks like a badged Prodigy P2.

Where does the wiring harness connect if you have the factory trailer hitch installed? Is it pre-wired to the trunk?
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