Installation Instructions for BMW X1 (2016-Current)

Part Numbers:

• 76018
• 84018
• CQT76018

Tools Required:

• Ratchet
• Torque Wrench
• Safety Glasses
• Sockets: 8mm, 10mm, 18mm, 3/4”
• Flat Head Screwdriver
• Tin Snips
• Tape Measure
• Marker
• Drill with 1” Holesaw
• Exhaust Removal Pliers
• 6” Socket Extension

Wiring Access Location:

• Not Applicable

Step-by-Step Instructions:

1. Remove Lower Fascia:

   • Use an 8mm socket to remove (8) screws and (4) plastic expanding fasteners.
   • Gently unclip and pull the fascia off, then set it aside for reinstallation later.

2. Lower Exhaust:

   • Use a 10mm socket to remove the nuts from both rear exhaust hangers.
   • Pry off one rubber exhaust hanger near the transaxle using exhaust removal pliers. Spray with soapy water for ease.

3. Remove Heat Shield:

   • Use a 10mm socket to remove the (4) nuts securing the heat shield on the upper portion.

4. Trim Heat Shield:

   • Measure and draw two lines on the heat shield:
     • From the lower portion, measure 1/2” inward from the outermost screw holes.
     • From the upper portion, draw a line 1/2” from the top.
   • Use tin snips to cut along the lines.

5. Remove Nuts from Lower Bumper Studs:

   • Use an 18mm socket to remove one nut from the lower bumper stud on each side.

6. Loosen Sensor Bar:

   • Use a 10mm socket to loosen (2) nuts holding the sensor bar to the vehicle. Do not fully remove the sensor bar; loosening it will ease hitch installation.

7. Drill Holes:

   • Raise the hitch into position and onto the lower bumper studs.
   • Tighten the nuts to hold the hitch in place, then mark the locations of forward attachment holes using the hitch as a template.
   • Lower the hitch and drill a 1” hole for each forward attachment point using a holesaw.

8. Fishwire Bolts:

   • Using the reverse fishwire method, insert the carriage bolts and spacer blocks into the drilled holes.
   • Leave the pull wires attached.

9. Install Hitch:

   • Raise the hitch into position over the lower bumper studs.
   • Guide the pull wire ends through the forward attachment holes.
   • Install (2) nuts onto the lower bumper studs and remove the pull wires.
   • Secure the carriage bolts with conical washers (teeth side toward hitch) and 1/2” hex nuts.

10. Tighten Fasteners:

    • Torque all hitch fasteners to 75 lb-ft (102 N·m).

11. Reinstall Components:

    • Reinstall all exhaust hangers, tighten the sensor bar, reinstall the trimmed heat shield, and reattach the lower fascia.

Hardware List:

• (2) 1/2”-13 x 1.75” Grade 5 Carriage Bolts
• (2) 1/2” Conical Washers
• (2) 1/4” x 1” x 3” Spacer Blocks
• (2) 1/2”-13 Grade 5 Hex Nuts
• (2) 1/2” Pull Wires

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in the trunk pan or body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Always wear safety glasses during installation.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Carrying (Ball Mount): Max Trailer Weight 4,500 lbs (2,043 kg), Max Tongue Weight 675 lbs (306 kg).
  • Weight Distributing: Max Trailer Weight 4,500 lbs (2,043 kg), Max Tongue Weight 675 lbs (306 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.

Additional Notes:

• Installation time is approximately 40 minutes for a professional installer.
• Contact a professional installer if you are uncomfortable performing the installation on your own.

Installation Instructions for T-One® T-Connector for BMW X1

Part Numbers:

• 118717

Tools Required:

• Trim Panel Remover
• 10mm Socket & Ratchet or 10mm Wrench
• Drill (3/32” Drill Bit)
• 1/4” Socket
• Wire Crimpers
• Wire Cutters
• Phillips Head Screwdriver
• Test Probe

Step-by-Step Instructions:

1. Remove Taillights:

   • Open the rear tailgate to access the bolts holding the taillights in place.
   • On both the driver and passenger sides, remove two 10mm nuts from the taillight pocket.
   • Carefully pull the taillights away from the vehicle, avoiding damage to alignment pins.

2. Disconnect the Wiring Harness:

   • Disconnect the vehicle wiring harness from both taillight sockets.
   • Ensure all connector surfaces are clean and free of dirt.

3. Mount the Black Box Module:

   • Determine a suitable mounting point behind the rear bumper fascia on the driver’s side.
   • Use the provided double-sided tape to mount the black box.
   • Ensure the trailer’s wire harness has adequate length to reach this point.

   Warning: Mount the module with the epoxy side facing down to prevent water buildup.

4. Connect the Driver-Side T-Connector:

   • Fish the T-Connector end with yellow wires up between the bumper and the vehicle body into the taillight pocket.
   • Plug the T-Connector with yellow wire between the mating plugs on the driver’s side taillight socket and wiring harness.

5. Route the Passenger-Side T-Connector:

   • Route the T-Connector end with the green wire and the 4-flat connector underneath the bumper.
   • Guide the T-Connector end with the green wire up through the opening on the passenger side.
   • Plug it into the taillight socket, repeating the process from Step 4.

6. Ground the White Wire:

   • Locate a suitable grounding point on the driver’s side near the connectors.
   • Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.

   Caution: Verify the area behind any surface before drilling to prevent damage or injury.

7. Connect the Power Wire:

   • Locate the black 12-gauge power wire from the T-Connector box.
   • Attach the provided black 12-gauge wire and route it along the exterior frame or follow the existing wiring to the engine compartment.
   • Avoid areas that may pinch or damage the wire.

8. Connect to the Battery:

   • Disconnect the vehicle’s Negative (-) battery cable.
   • Attach the ring terminal from the fuse holder to the Positive (+) battery cable.
   • Connect the other end of the fuse holder to the black 12-gauge wire using the yellow butt connector.

9. Reconnect the Battery and Test:

   • Reconnect the vehicle’s Negative (-) battery cable.
   • Insert the 15-amp fuse into the fuse holder and test the installation with a test light or trailer.

10. Reassemble the Vehicle:

    • Reinstall the taillight assemblies and any other removed components, ensuring wires are not pinched or damaged.

11. Secure the Wiring Harness:

    • Use the provided cable ties to secure the T-Connector harness.
    • Avoid areas that may pinch, cut, or melt the wire.

12. Store the 4-Flat Connector:

    • Store the 4-flat connector in a suitable location when not in use.

Specifications:

• Max. stop/turn light: 2 per side (4.2 amps)
• Max. tail lights: 7.5 amps

Safety Notes:

• Overloading circuits can cause fires. Do not exceed stated product ratings or vehicle manufacturer specifications.
• Always wear safety glasses and follow safety precautions during installation.

Manufacturer Notes:

• Refer to the vehicle owner’s manual and the instruction sheet for additional details.
• Store these instructions for future reference.