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
Search For Custom Fit BMW 3 Series AccessoriesSelect A Category Below
Towing
BMW 3 Series Trailer Hitch
BMW 3 Series Trailer Wiring
BMW 3 Series Brake Controller
BMW 3 Series Fifth Wheel Hitch
BMW 3 Series Gooseneck Hitch
BMW 3 Series Front Mount Hitch
BMW 3 Series Towing Mirrors
BMW 3 Series Base Plate for Tow Bar
BMW 3 Series Vehicle Tow Bar Brake System
BMW 3 Series Vehicle Tow Bar Wiring
BMW 3 Series BOLT brand vehicle and hitch locks
BMW 3 Series Blind Spot Detection
Cargo Control
BMW 3 Series Roof Rack
BMW 3 Series Tool Box
BMW 3 Series Ladder Rack
BMW 3 Series Tailgate
BMW 3 Series Truck Bed Extender
BMW 3 Series Trunk Bike Rack
BMW 3 Series Vehicle Cargo Control
BMW 3 Series Headache Rack
BMW 3 Series Truck Bed Sliding Tray
BMW 3 Series Camper Tie-Downs
BMW 3 Series Truck Bed Bike Rack
BMW 3 Series Spare Tire Bike Racks
Performance Accessories
BMW 3 Series Cold Air Intake
BMW 3 Series Air Filter
BMW 3 Series Exhaust
BMW 3 Series Suspension Enhancement
BMW 3 Series Transmission Cooler
BMW 3 Series Performance Chip Tuners
BMW 3 Series Vehicle Lights
BMW 3 Series Tire Chains
BMW 3 Series Fluid Filters
BMW 3 Series Vehicle Sway Bars
BMW 3 Series Catalytic Converters
BMW 3 Series Vehicle Snow Plows
BMW 3 Series Salt Spreader
BMW 3 Series Vehicle Engine Heaters
BMW 3 Series Off Road Lights
BMW 3 Series Radiator
BMW 3 Series Radiator Fan
BMW 3 Series Cabin Air Filter
BMW 3 Series Battery
BMW 3 Series Lift Assist
Vehicle Trim
BMW 3 Series Floor Mats
BMW 3 Series Tonneau Cover
BMW 3 Series Nerf Bars - Running Boards
BMW 3 Series Trim Kits
BMW 3 Series Vehicle Covers
BMW 3 Series Grille
BMW 3 Series Grille Guard
BMW 3 Series Bug Shield
BMW 3 Series Side Window Vents
BMW 3 Series Truck Bed Mat
BMW 3 Series Bumpers
BMW 3 Series Mud Flaps
BMW 3 Series Lamp Guards
BMW 3 Series Van Cargo Mat
BMW 3 Series Truck Tailgate Lock
BMW 3 Series Truck Bed Rail Caps
BMW 3 Series Truck Bed Tailgate Assist
BMW 3 Series Vehicle Tent
BMW 3 Series Vehicle Seat Covers
BMW 3 Series Vehicle Tow Hook Step
BMW 3 Series Replacement Mirrors
BMW 3 Series Windshield Wiper Blades
BMW 3 Series Wheel Liners
BMW 3 Series Wheel Well Guards
BMW 3 Series Battery Box Relocation
BMW 3 Series Windshield Covers
BMW 3 Series Vehicle Air Mattress
BMW 3 Series Wheel Cover
BMW 3 Series Truck Bed Camera
Jeep Accessories
BMW 3 Series Replacement Top
BMW 3 Series Jeep Doors
BMW 3 Series Jeep Seats
BMW 3 Series Jeep Windows
BMW 3 Series Fender Flares
BMW 3 Series Jeep Spare Tire Carriers
BMW 3 Series Roll Bar Cover
BMW 3 Series Jeep Hardware
ATV and UTV
BMW 3 Series ATV Hitch
BMW 3 Series ATV Winch Mount
BMW 3 Series Snow Plow
BMW 3 Series UTV Tops
BMW 3 Series ATV-UTV Seat Covers
BMW 3 Series ATV-UTV Windshield
BMW 3 Series ATV-UTV Toolbox
BMW 3 Series UTV Tonneau Cover
RV and Fifth Wheel
BMW 3 Series RV Vents
BMW 3 Series RV Mattress
BMW 3 Series RV and Camper Steps
BMW 3 Series RV Tires and Wheels
BMW 3 Series RV Covers
BMW 3 Series RV Fireplace
BMW 3 Series RV Furniture
BMW 3 Series RV Weight Distribution
BMW 3 Series RV Hubs and Drums
BMW 3 Series RV Brakes
BMW 3 Series RV Roof Membrane
BMW 3 Series RV Bearing
BMW 3 Series Fifth Wheel King Pin
BMW 3 Series Trailer Jack
BMW 3 Series Spare Tire Cover
BMW 3 Series RV Camera
BMW 3 Series RV Doors
BMW 3 Series RV Propane
BMW 3 Series RV Interior Lighting
BMW 3 Series RV Exterior Lighting
BMW 3 Series RV Electrical
BMW 3 Series RV Power Inlets
BMW 3 Series RV Power Cord
BMW 3 Series RV Plug Adapters
BMW 3 Series RV Transfer Switch
BMW 3 Series RV Jack Pads
BMW 3 Series RV Jumper
BMW 3 Series RV Bike Racks
BMW 3 Series RV Antenna and Radio
BMW 3 Series RV Air Conditioner
