RB, I think I will replace mine as a preventative measure, with a euro switch while I am at it lol!

I have the factory hitch so I am guessing I have the tow module already. I hope so!

T, personally I get to thinking about wiring additional lights into the existing circuits with these trucks. With all of it passing through an expensive module, the thought of it breaking it gives me pause.

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04 X5 3.0i auto
03 X5 4.6is