Installation Instructions for 2011-Current BMW X3 and X4

Part Numbers:

• 76906

Installation Time:

• Approximately 45 minutes for professional installers.

Tools Required:

• Ratchet Torque Wrench
• Safety Glasses
• Sockets: 8mm, 10mm, 13mm, 18mm, 19mm
• Plastic Rivet Gun
• Drill with 1/8” Drill Bit
• Utility Knife
• Flat Head Screwdriver
• Marker
• Silicone Sealant
• Plastic Trim Tools
• Tape Measure
• Blue Thread Locker

Step-by-Step Instructions:

1. Remove Taillights:

   • Open the tailgate.
   • Remove the plastic cover near each taillight by removing one (1) plastic fastener with a flat screwdriver.
   • For X3 models, use a socket to remove two (2) hex nuts holding the taillight. For X4 models and 2018-current X3 models, remove the interior panel to access bolts and remove them.
   • Gently pull the taillights rearward and disconnect the wiring.

2. Remove Underbody Panel (X3 Only):

   • Using 8mm and 10mm deep sockets, remove screws and hex nuts from the underbody panel and set aside.

3. Remove Rear Fascia:

   • Remove screws near the taillight area, behind the reflector, and along the bottom edges using an 8mm socket.
   • Drill out the plastic rivets holding the wheel well trim and remove screws behind it.
   • Use plastic trim tools to gently remove the fascia, starting at the edges near the wheel wells.
   • Disconnect the wiring harness and set the fascia aside.

4. Remove Bumper Beam:

   • For X3 models, disconnect the sensor wiring and rivets attached to the bumper beam.
   • Use an 18mm deep well socket with a 6” extension to remove four (4) hex flange nuts holding the bumper beam to the end panel.
   • Remove foam gasket and apply silicone sealant to the mounting surfaces if damaged.

5. Install Hitch and Reattach Bumper Beam:

   • Place the foam gasket between the hitch and aluminum bumper beam.
   • Apply blue thread locker to all studs and align the hitch and bumper beam with the studs on the vehicle end panel.
   • Loosely reinstall the existing M12 flange nuts and reattach the exhaust hangers.

6. Tighten Fasteners:

   • Torque all M12 hex flange nuts to 68 Lb.-Ft. (92 N*M).
   • Torque all exhaust hanger flange nuts to 25 Lb.-Ft. (34 N*M).

7. Reinstall Fascia:

   • Reinstall the fascia, taillights, and interior panels removed in previous steps.
   • Snap wheel well trim into position and install the provided plastic rivets.

8. Trim Underbody Panel (if applicable):

   • Use a utility knife to cut a notch in the underbody panel as needed and reinstall it with existing hardware.

Hardware List:

• (2) M12x1.75x100mm Bolts (CL10.9)
• (2) Flat Washers (7/16”)
• (2) Flange Locknuts (M12x1.75, CL10)
• (8) Plastic Rivets
• (4) Cable Ties
• (1) Warning Card
• (2) Warning Labels

Safety Notes:

• Regularly inspect all fasteners to ensure they are secure.
• If the hitch is removed, plug any holes in the vehicle body to prevent water or exhaust fumes from entering.
• Replace any damaged hitch or ball.
• Always wear safety glasses when installing the hitch.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type:
  • Weight Carrying: 3,500 lb. (1,589 kg) Max Gross Trailer Weight, 350 lb. (159 kg) Max Tongue Weight
  • Weight Distributing: Not Applicable
• This product complies with SAE J684 and New York V.E.S.C. Regulation V-5.

Installation Instructions for 2011-Current Vehicle Models

Part Numbers:

• 76906

Installation Time:

• Approximately 45 minutes for professional installers.

Tools Required:

• Ratchet Torque Wrench
• Safety Glasses
• Sockets: 8mm, 10mm, 13mm, 18mm, 19mm
• Plastic Rivet Gun
• Drill with 1/8” Drill Bit
• Utility Knife
• Flat Head Screwdriver
• Marker
• Silicone Sealant
• Plastic Trim Tools
• Tape Measure
• Blue Thread Locker

Step-by-Step Instructions:

1. Remove Taillights:

   • Open the tailgate.
   • Remove the plastic cover near each taillight by removing one (1) plastic fastener with a flat screwdriver.
   • For X3 models, use a socket to remove two (2) hex nuts holding the taillight. For X4 models and 2018-current X3 models, remove the interior panel to access bolts and remove them.
   • Gently pull the taillights rearward and disconnect the wiring.

2. Remove Underbody Panel (X3 Only):

   • Using 8mm and 10mm deep sockets, remove screws and hex nuts from the underbody panel and set aside.

3. Remove Rear Fascia:

   • Remove screws near the taillight area, behind the reflector, and along the bottom edges using an 8mm socket.
   • Drill out the plastic rivets holding the wheel well trim and remove screws behind it.
   • Use plastic trim tools to gently remove the fascia, starting at the edges near the wheel wells.
   • Disconnect the wiring harness and set the fascia aside.

4. Remove Bumper Beam:

   • For X3 models, disconnect the sensor wiring and rivets attached to the bumper beam.
   • Use an 18mm deep well socket with a 6” extension to remove four (4) hex flange nuts holding the bumper beam to the end panel.
   • Remove foam gasket and apply silicone sealant to the mounting surfaces if damaged.

5. Install Hitch and Reattach Bumper Beam:

   • Place the foam gasket between the hitch and aluminum bumper beam.
   • Apply blue thread locker to all studs and align the hitch and bumper beam with the studs on the vehicle end panel.
   • Loosely reinstall the existing M12 flange nuts and reattach the exhaust hangers.

6. Tighten Fasteners:

   • Torque all M12 hex flange nuts to 68 Lb.-Ft. (92 N*M).
   • Torque all exhaust hanger flange nuts to 25 Lb.-Ft. (34 N*M).

7. Reinstall Fascia:

   • Reinstall the fascia, taillights, and interior panels removed in previous steps.
   • Snap wheel well trim into position and install the provided plastic rivets.

8. Trim Underbody Panel (if applicable):

   • Use a utility knife to cut a notch in the underbody panel as needed and reinstall it with existing hardware.

Hardware List:

• (2) M12x1.75x100mm Bolts (CL10.9)
• (2) Flat Washers (7/16”)
• (2) Flange Locknuts (M12x1.75, CL10)
• (8) Plastic Rivets
• (4) Cable Ties
• (1) Warning Card
• (2) Warning Labels

Safety Notes:

• Regularly inspect all fasteners to ensure they are secure.
• If the hitch is removed, plug any holes in the vehicle body to prevent water or exhaust fumes from entering.
• Replace any damaged hitch or ball.
• Always wear safety glasses when installing the hitch.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type:
  • Weight Carrying: 3,500 lb. (1,589 kg) Max Gross Trailer Weight, 350 lb. (159 kg) Max Tongue Weight
  • Weight Distributing: Not Applicable
• This product complies with SAE J684 and New York V.E.S.C. Regulation V-5.

Attention:

This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.

Technical Support:

For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.

Warranty:

This product is covered by a warranty. For complete warranty information, please download the full installation PDF.

Installation Instructions for T-Connector Adapter

Part Numbers:

• 119191

Wiring Access Location:

• Near the rear of the vehicle, behind the bumper, or as indicated for vehicle-specific configurations.

Tools Required:

• Drill with a 3/32" drill bit.
• Phillips head #2 screwdriver.
• Wire cutters, wire strippers/crimpers.
• Tester or volt meter.
• Socket and ratchet set.
• Double-sided tape (provided).

Step-by-Step Instructions:

Installation of the Module:

1. Determine the mounting location for the module.

   • Use the provided double-sided tape to secure the module.
   • Ensure the epoxy side of the module faces downward to prevent water buildup.

2. Connect the module’s black wire to a 12-gauge (or larger) power wire using a yellow butt connector.

3. Locate a suitable grounding point near the module:

   • Drill a 3/32" hole if necessary and secure the white wire using the provided eyelet and self-tapping screw.
   • Clean the grounding area of dirt and rustproofing.

   Caution: Verify what is behind the surface before drilling to avoid damage or injury.

Routing Power to the Battery:

4. Route the power wire to the vehicle’s positive battery terminal:

   • Use the provided fuse holder, butt connector, and ring terminal to connect to the battery.
   • Do not insert the 15-amp fuse yet.

   Caution: Ensure the module is connected to a constant power source. Avoid using power sources that are interrupted when the vehicle is off.

Finalizing Installation:

5. Secure the wiring harness with the provided cable ties to prevent damage or rattling.

   • Avoid areas where wires may be pinched, cut, or melted.

6. Reconnect the vehicle’s negative (-) battery cable.

7. Insert the 15-amp fuse into the fuse holder and close the cap.

8. Test the installation with a test light or trailer to verify functionality.

   • Test each function independently and in combination.

   Specifications:

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

Hardware List:

• T-Connector adapter.
• 15-amp fuse.
• Fuse holder.
• Eyelet and self-tapping screw.
• Double-sided tape.
• Cable ties.

Safety Notes:

• Handle all components with care to avoid damage.
• Ensure all connections are clean and securely fastened.
• Overloading circuits can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.

Manufacturer Notes:

• Read and follow all vehicle warnings and installation instructions.
• Use a test light or trailer to confirm proper installation.
• Consult the vehicle owner’s manual for additional details.

Installation Instructions for T-Connector Adapter

Part Numbers:

• 119191

Wiring Access Location:

• Near the rear of the vehicle, behind the bumper, or as indicated for vehicle-specific configurations.

Tools Required:

• Drill with a 3/32" drill bit.
• Phillips head #2 screwdriver.
• Wire cutters, wire strippers/crimpers.
• Tester or volt meter.
• Socket and ratchet set.
• Double-sided tape (provided).

Step-by-Step Instructions:

Installation of the Module:

1. Determine the mounting location for the module.

   • Use the provided double-sided tape to secure the module.
   • Ensure the epoxy side of the module faces downward to prevent water buildup.

2. Connect the module’s black wire to a 12-gauge (or larger) power wire using a yellow butt connector.

3. Locate a suitable grounding point near the module:

   • Drill a 3/32" hole if necessary and secure the white wire using the provided eyelet and self-tapping screw.
   • Clean the grounding area of dirt and rustproofing.

   Caution: Verify what is behind the surface before drilling to avoid damage or injury.

Routing Power to the Battery:

4. Route the power wire to the vehicle’s positive battery terminal:

   • Use the provided fuse holder, butt connector, and ring terminal to connect to the battery.
   • Do not insert the 15-amp fuse yet.

   Caution: Ensure the module is connected to a constant power source. Avoid using power sources that are interrupted when the vehicle is off.

Finalizing Installation:

5. Secure the wiring harness with the provided cable ties to prevent damage or rattling.

   • Avoid areas where wires may be pinched, cut, or melted.

6. Reconnect the vehicle’s negative (-) battery cable.

7. Insert the 15-amp fuse into the fuse holder and close the cap.

8. Test the installation with a test light or trailer to verify functionality.

   • Test each function independently and in combination.

   Specifications:

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

Hardware List:

• T-Connector adapter.
• 15-amp fuse.
• Fuse holder.
• Eyelet and self-tapping screw.
• Double-sided tape.
• Cable ties.

Safety Notes:

• Handle all components with care to avoid damage.
• Ensure all connections are clean and securely fastened.
• Overloading circuits can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.

Attention:

This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.

For Technical Support:

For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.

Warranty Information:

For complete warranty instructions, please download the full installation PDF.

Manufacturer Notes:

• Read and follow all vehicle warnings and installation instructions.
• Use a test light or trailer to confirm proper installation.
• Consult the vehicle owner’s manual for additional details.