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Is Tow Ready Modulite Hard Wire Kit 119250KIT Compatable with a 2011 BMW X5  

Question:

BMW has not yet released a hitch for the 2011 X5, supposedly because of software issues with the new LED tail lights. This looks like it should work regardless since it powers the trailer lights directly from the battery. Can I use this successfully for a 2011 X5?

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Expert Reply:

Yes, the # 119250KIT hardwire kit is the recommended application for your 2011 X5. This wiring kit is compatible with vehicles and trailers with LED lights, so it should work well for your application.

The # 119250KIT hardwire kit is a universal fit hardwire kit, so I have linked the installation instructions below, and a video of an installation on a 2011 BMW X5 for your reference.

To install the hardwire kit on your vehicle, you would use the included circuit tester to test the wires behind your vehicle tail lights for function. I would have a helper sit in the cab and press the brake pedal or engage the turn signals for you as you test each wire behind your tail light. Once you have determined which wire is performing which function, you would connect the wires from the converter accordingly.

The four basic wire functions for the wires coming from the black converter box would be:

Green: Right turn and brake lights.
Yellow: Left turn and brake lights.
Brown: Running lights.
White: Ground wire. Connect this wire to a good, clean metal area on the frame of your X5.

You will also see a thicker red wire coming from the converter box. You would run this wire, using the included wire bundle, and connect it to the vehicle positive battery terminal, with the included yellow fuse loop in between.

expert reply by:
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Sarah L

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