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Complete Towing Set up for a 2015 BMW X5

Question:

Hi, I need to tow a cargo trailer with brakes that comes with a standard 7-way plug. I have a 2015 BMW X5. What do I need? Your help is appreciated. Thank you!

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Expert Reply:

I would be happy to help you set up your 2015 BMW X5 for towing. You're going to need a hitch, a couple wiring harnesses, brake controller, and a ball mount with a ball.

For your hitch I recommend the EcoHitch Stealth Trailer Hitch Receiver item # EH44FR. This hitch is custom fit and bolts directly to your BMW with included hardware. The best feature about this hitch is that the receiver portion is completely removable. When you're not towing your trailer you can unbolt the receiver and your BMW will retain its factory look. This removable design also allows you to retain all the features of your back up sensors when you're not towing.

In order to install a 7-way vehicle connector on your X5 you will need two wiring harnesses the first is the Tekonsha T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector item # TK47FR. This custom-fit T-One connector plugs into your vehicle's wiring harness, which is located in the rear cargo area. This will provide you with a 4-flat connector.

The second harness you will need is the Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires item # ETBC7. The kit includes a pre-wired 7- and 4-way trailer connector that mounts easily at the rear of your vehicle with an included bracket. This kit is designed for use on a vehicle with an existing 4-way flat trailer connector and plugs directly into it.

To control your trailer's brakes you will need a brake controller. I recommend the Tekonsha Prodigy P3 Trailer Brake Controller item # 90195. This is a proportional brake controller that activates your trailer brakes in proportion to your X5's braking action. It automatically adjusts the trailer's braking based on deceleration of your vehicle.

You will also want the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - BMW item # TK29FR. This is a plug in adapter that works specifically with Tekonsha brake controllers and allows you to connector your brake controller without cutting or splicing wires.

To round out your towing setup I recommend the Curt Towing Starter Kit for 2" Hitches item # C45534. This towing kit will provide you with a 2" ball and a fixed ball mount with a 3/4" rise and 2" drop. It also includes a hitch pin and clip, hitch receiver lock with keys, hitch cover, and a storage case.

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Jerred H

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