I don't think non- iDrive cars need programming.
An X6 with iDrive and rear camera does for sure. After the dealer installed my hitch, another option in the iDrive camera setting showed up. The option lets you select the camera angle for tow hitch so when you are backing up you get a better view of the hitch when moving into position to connect a trailer.
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2011 535i
2008 VW GTI
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