CURT 56533 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select BMW X3

EASY TO INSTALL — No cutting! No splicing! This trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer

STANDARD CONNECTOR — This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. 4-way trailer light wiring is popular on a variety of trailers, adding versatile towing options for your vehicle

VEHICLE-SPECIFIC — This aftermarket, vehicle-trailer wiring harness is designed for select years of the BMW X3

RELIABLE POWER — This 4-way trailer wiring harness is built with surface mount technology. This type of circuitry generates less heat, optimal light intensity and durable performance

DUST COVER — To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements