Make installing your trailer wiring harness as easy as possible with a custom fit wiring harness. Trailer wiring from Draw-Tite, Curt, Pollak, Tow Ready, Bosal, and Hopkins eliminates or reduces the need to cut and splice wires. It also helps to protect your vehicle's sensitive electronics from mis-wired trailers.
Choose the year of your vehicle to the left to find a custom fit trailer wiring harness.
Wiring Adapter Fitguide
Trailer Wiring Manufacturers
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Towing
BMW X3 Trailer Hitch
BMW X3 Trailer Wiring
BMW X3 Brake Controller
BMW X3 Towing Mirrors
Cargo Control
BMW X3 Roof Rack
BMW X3 Trunk Bike Rack
Performance Accessories
BMW X3 Cold Air Intake
BMW X3 Air Filter
BMW X3 Performance Chip Tuners
BMW X3 Vehicle Lights
BMW X3 Tire Chains
BMW X3 Fluid Filters
BMW X3 Salt Spreader
BMW X3 Vehicle Engine Heaters
BMW X3 Radiator Fan
BMW X3 Cabin Air Filter
BMW X3 Lift Assist
Vehicle Trim
BMW X3 Floor Mats
BMW X3 Nerf Bars - Running Boards
BMW X3 Trim Kits
BMW X3 Vehicle Covers
BMW X3 Side Window Vents
BMW X3 Mud Flaps
BMW X3 Lamp Guards
BMW X3 Vehicle Tent
BMW X3 Vehicle Seat Covers
BMW X3 Windshield Wiper Blades
BMW X3 Windshield Covers
BMW X3 Vehicle Air Mattress