Trailer Wiring Harness Installation - 2007 BMW 3 Series Video

How to Install a Trailer Wiring Harness on a 2007 BMW 3 Series

Today on this 2007 BMW3 Series we're going to install part number 56146KIT. This is a Curt upgraded circuit protected taillight with converter hardware kit. These are the components that come with the kit. This is the module with our wires that go out to our turn signals. This set of wires goes out to the left-hand side, yellow for left turn, red for stop light circuit and brown for running light… see more >