Today on our 2014 BMW X1, we're going to be take a look at installing the Curt Upgraded Circuit Protected Tail Light w Converter Hardwire Kit, Four Pole End, including a tester. Part number 56146KIT. Here's what it looks like once it's installed. As you can see it's going to give you a four flat trailer tow package with a weather-tight cap. It's going to be kept inside your vehicle, that way it's… see more >