For 2018-2021 BMW X3 Tow Package Camp n' Field Trailer Hitch + Brake Controller Curt Assure 51160 Proportional Up To 4 Axles + 7 Way Trailer Wiring Plug & 2-5/16" ball 4 inch drop Except M40i Curt 13387 2 inch Tow Receiver

This Trailer Tow Hitch + Brake Controller + 7-Way Wiring + 2-5/16" Ball + 4" Drop + Bracket Fits The Following Vehicles:

2018 - 2021 BMW X3 All Models

This Trailer Tow Hitch + Brake Controller + 7-Way Wiring + 2-5/16" Ball + 4" Drop + Bracket Includes the Following Parts:

• Class 3 Trailer Hitch, 2" Receiver (Easy Bolt-On, No Drilling)
• Universal Trailer Brake Controller Harness with Pigtails
• Multi-Function Taillight Converter Kit (Requires Splicing)
• Dual-Output Electrical Adapter Trailer Brake Controller Wiring Kit and 30-Amp Universal Circuit Breaker, with duplex undercar wires, circuit breakers, terminals, and ring connectors.
• Loaded Ball Mount with 2-5/16" Ball (2" Shank, 7,500 lbs., 4" Drop)
• Assure Proportional Trailer Brake Controller with Dynamic Screen
• Installation instructions, schematics, diagrams, and hardware (if required).

List of Fitment Years:

2018, 2019, 2020, 2021

CURT 13387 Class 3 Trailer Hitch, 2-Inch Receiver

Manufactured by: Curt

Whatever your task at hand -- whether it's launching that boat before daybreak, setting up your camper before the rush or getting a final load to the dump before close -- CURT class 3 trailer hitches offer the strength needed for serious towing They make it easy to hitch up and Bring It, offering a vehicle-specific fit and the weight capacity to handle a variety of trailers Custom class 3 hitches are the most common type of receiver hitch for pickup trucks and SUVs.

Because of their weight range, they are also found on full-size cars, crossovers and minivans Each custom-fit class 3 hitch package is made for vehicle-specific mounting This particular kit fits certain years of the BMW X3 (see application info to verify vehicle compatibility).

It provides a weight carrying capacity of 5,000 lbs GTW and 750 lbs TW.

CURT class 3 trailer hitches are typically used to attach and haul utility trailers, boat trailers, campers, snowmobile or ATV haulers and more (NOTE: Never exceed the lowest-rated towing component) Each class 3 hitch has a 2" receiver tube and is tested in accordance with SAE J684 for safety To ensure that CURT class 3 receiver hitches have what it takes for serious trailering, they are designed using a hands-on approach and are constructed with rugged, high-strength steel and precise welding.

We also protect our class 3 hitches in a co-cured finish of liquid A-coat and black powder coat for superior resistance to rust, chipping and UV damage..

Features:

• Rated to 5,000 lbs. gross trailer weight and 750 lbs. tongue weight
• Engineered with a vehicle-specific design for a custom fit
• Concealed main body for OE look and seamless integration with the vehicle
• Tested for safety in accordance with SAE J684
• Precisely welded for superior strength and fit
• Protected by a durable high-gloss black powder coat finish
• Co-cured in a rust-resistant liquid A-coat, inside and out
• Equipped with an open-back receiver for easy cleaning
• Limited lifetime warranty (one-year finish, one-year parts)
• Made in USA (may include imported hardware)

CURT 51515 Quick Plug Universal Electric Trailer Brake Controller Wiring Harness

Manufactured by: Curt

It takes a lot of power to stop a moving trailer, especially when that trailer is hauling livestock, construction materials, industrial equipment or other heavy-duty cargo Play it safe when you tow and give your trailer brakes the control they need with a CURT trailer brake controller and brake controller harness CURT quick plug brake controller harnesses make the installation of your brake controller easy.

This brake controller harness comes with pigtails to splice into your vehicle's electrical system When a CURT quick plug harness is not a compatible option for your vehicle, a quick plug with pigtails is the next best thing These harnesses feature a quick plug end to easily snap into your CURT brake control and colored wires to coordinate with the appropriate electrical function.

This universal splice-in harness comes with a protective slit loom sleeve and can easily be installed using the CURT universal wiring kit #51500 It is designed to be compatible with a variety of vehicles that are not equipped with a factory plug for a brake control..

Features:

• Splices into a vehicle for a quick plug brake controller connection
• Compatible with any CURT brake control
• Wire colors match standard brake controller harnesses
• Includes 24" of 12 gauge wire for flexible installation
• Slit-loom sleeve keeps wires contained and protected

CURT 59236 Weather-Resistant Multi-Function Splice-in Trailer Tail Light Converter Kit, 4-Pin Wiring Harness

Manufactured by: Curt

Rain, road grime and salt can deal a vicious blow to your trailer wiring, and it takes electrical components with an extra-thick shell to stand up to the elements The CURT multi-function electrical converter is an advanced taillight converter that offers the ultimate in vehicle compatibility and weather resistance, giving you a reliable wiring connection any season of the year The potted design seals the internal electrical components in a watertight enclosure and is filled with a solid compound to protect against impacts, vibrations and moisture for long-lasting use, even on the exterior of the vehicle.

The converter also features our advanced surface mount technology (SMT), using smaller components mounted directly to the surface of the circuit board This produces lower resistance, reduced heat generation, longer life cycles and higher reliability The CURT multi-function electrical converter comes with pigtail wires that are able to be spliced into two-wire, three-wire or PWM wiring system with combined stop and taillights.

It converts any of these systems to a simple two-wire system, using a standard 4-way flat output, to be compatible with most trailer wiring The converter is controlled using a microprocessor that is able to sense the current passing through it, allowing for quick reaction to dangerous conditions such as overload and short circuits It also filters unwanted input signals to protect your wiring systems and uses a mere seven volts for low-voltage operation.

The CURT multi-function taillight converter is a heavy-duty electrical converter for virtually any vehicle-trailer combination It comes with color-coded wires and an easy-to-read wiring guide, as well as a dust cover to protect the 4-way flat connector This package includes a powered converter wiring kit #55152 and four snap locks for faster, more secure splicing..

Features:

• Converts 2-wire, 3-wire or PWM ST system to 2-wire trailer light wiring
• Potted enclosure significantly increases water and vibration resistance
• 4-way flat output connects tail lights, brake lights and turn signals
• Constructed with SMT circuitry for better performance and durability
• Microcontroller senses current to rapidly react to overload
• Provides improved overload, short-circuit and thermal protection
• Low-voltage operation allows function down to seven volts
• Color-coded wires with wiring guide for easier installation
• Included wiring kit allows for a convenient connection to the vehicle battery
• Snap locks included for fast, secure splicing
• Dust cover included to keep connector clean when not in use

CURT 57672 51500 58361 Dual-Output 4-Way Flat Vehicle-Side to 7-Way RV Blade Trailer Wiring Adapter, Electric Trailer Brake Controller Wiring Kit, and two 30-Amp Universal Circuit Breakers.

Manufactured by: Curt

Upgrade your towing setup with the ultimate conversion kit Transform your vehicle’s 4-way flat socket into a 7-way RV blade with ease This kit includes the CURT dual-output electrical adapter, trailer brake controller wiring kit, and a 30-amp universal circuit breaker.

Perfect for ensuring seamless connections and providing the power you need for safe, confident towing Get the job done with CURT's reliable and high-quality components..

Features:

• Adapts a 4-way flat socket to fit 4-way flat and 7-way RV blade trailer plugs
• Connects tail lights, brake lights, turn signals, reverse lights, brakes, and auxiliary power
• Dust covers included to keep connectors clean when not in use
• Slit loom keeps wires contained and well protected
• Metal bracket securely mounts wiring to the vehicle or trailer hitch
• Compatible with 2, 4, 6 or 8-brake systems (1-4 axles)
• Recommended for applications where over-current protection is required

CURT 45042 Trailer Hitch Mount with 2-5/16-Inch Ball & Pin, Fits 2-Inch Receiver, 7,500 lbs, 4-Inch Drop

Manufactured by: Curt

When it comes to ball mounts, a CURT loaded ball mount is the complete package These stingers come with all necessary towing components and are pre-fitted with a factory-torqued trailer ball, eliminating the need to mount and torque your own trailer ball This means a loaded ball mount is ready for towing right out of the package! Each one also comes with a pin and clip for mounting the ball mount into the appropriate size receiver tube.

CURT offers loaded ball mounts in a variety of styles and weight ratings This CURT loaded ball mount features a gross trailer weight capacity of 7,500 lbs and a tongue weight capacity of 750 lbs.

It comes with a 2-5/16" trailer ball, making it an excellent choice for towing most boat trailers, utility trailers, campers, livestock trailers and recreational vehicle trailers used for hauling dirt bikes, motorcycles and ATVs (NOTE: Never exceed the lowest weight capacity of any towing component; i.e the vehicle, hitch, trailer, etc) This ball mount also has a length of 8-1/4", a drop of 4" and comes with a gloss black powder coat finish to resist rust, chipping and UV damage.

All CURT loaded ball mounts feature 2" x 2" shanks and are made with the same superior quality we put into each of our products..

Features:

• Rated to 7,500 lbs. gross trailer weight and 750 lbs. tongue weight
• Fits trailer hitches with a 2" x 2" receiver tube opening
• Factory-torqued CURT trailer ball accepts a 2-5/16" coupler
• 4" drop for precise trailer leveling
• Hollow shank weighs less and can be used with an anti-rattle kit
• CNC-formed, robotically welded and mechanically descaled for a perfect fit
• Protected by a durable powder coat finish
• Trailer ball features a polished chrome-plated finish
• 5/8" hitch pin & clip for secure mounting in receiver tube
• Assembled in USA
• Limited lifetime warranty (one-year finish, one-year parts)

CURT 51160 Assure Electric Trailer Brake Controller with Dynamic Screen and Full Text Readout, Proportional

Manufactured by: Curt

The CURT Assure brake control comes with a pressure-sensitive manual override button, a 1-1/2" wide OLED display and a triple-axis motion-sensing accelerometer, all to empower your adventure and provide smooth, responsive stops every time The triple-axis accelerometer lays the foundation for this advanced electric brake controller, detecting the inertia of the vehicle and trailer on any grade This means that whether you are going up or down a hill, the Assure is able to produce the exact amount of brake power needed, compensating for the angle and motion of the vehicle.

The accelerometer also responsively adjusts this braking power as the vehicle slows down, putting the least amount of stress possible on your vehicle and trailer The Assure trailer brake controller also features a high-quality OLED screen, displaying brake activity and providing an interface for the driver to control and monitor the trailer brakes The display offers a clear picture with its 128 x 64 dot matrix screen, and the display can be tilted up for a clear visibility, whether the brake control is mounted above or below the dash.

The manual override of the Assure allows brake pressure to be applied any time and in any amount This can be used to help slow the vehicle down or correct trailer sway The override button is pressure sensitive, giving you complete control over the trailer brake power.

The CURT Assure can be used with two to eight trailer brakes, and it is compatible with ABS, cruise control, low-voltage systems and PWM systems It has built-in reverse-polarity and short-circuit protectors, as well as low voltage and trailer disconnect indicators Like all CURT brake controls, the Assure trailer brake controller installs using one of our vehicle-specific quick plug harnesses.

It also comes with mounting hardware for a complete installation and is backed by a limited lifetime warranty..

Features:

• Pressure-sensitive manual override button for precise braking power
• Large, high-quality 1-1/2" OLED screen displays full text readout
• Sleek, low-profile design with tactile buttons
• Triple-axis, motion-sensing accelerometer for highly responsive, smooth stops
• Third axis provides dynamic power adjustments when going up or down a hill
• Display can be tilted for different mounting options, above or below the dash
• Diagnostic alerts notify of potential problems like low voltage or disconnect
• Automatic leveling and calibration eliminate setup requirements
• Mounts at various angles, above or below the dash, to increase usability
• Nine levels of sensitivity adjustment for varying loads or driving conditions
• Auto sleep mode prevents battery drain
• Plug-and-play install with vehicle-specific quick plug harness (sold separately)
• Operates 2-8 trailer brakes at a time (1-4 axles)
• Built-in reverse-polarity and short-circuit protection
• Compatible with low-voltage systems, PWM systems, ABS and cruise control